20056400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 240

約数和(自身を含む): 64579200

約数和(自身を除く): 44522800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 25, 26, 28, 29, 35, 38, 40, 50, 52, 56, 58, 65, 70, 76, 80, 91, 95, 100, 104, 112, 116, 130, 133, 140, 145, 152, 175, 182, 190, 200, 203, 208, 232, 247, 260, 266, 280, 290, 304, 325, 350, 364, 377, 380, 400, 406, 455, 464, 475, 494, 520, 532, 551, 560, 580, 650, 665, 700, 725, 728, 754, 760, 812, 910, 950, 988, 1015, 1040, 1064, 1102, 1160, 1235, 1300, 1330, 1400, 1450, 1456, 1508, 1520, 1624, 1729, 1820, 1885, 1900, 1976, 2030, 2128, 2204, 2275, 2320, 2470, 2600, 2639, 2660, 2755, 2800, 2900, 3016, 3248, 3325, 3458, 3640, 3770, 3800, 3857, 3952, 4060, 4408, 4550, 4940, 5075, 5200, 5278, 5320, 5510, 5800, 6032, 6175, 6650, 6916, 7163, 7280, 7540, 7600, 7714, 8120, 8645, 8816, 9100, 9425, 9880, 10150, 10556, 10640, 11020, 11600, 12350, 13195, 13300, 13775, 13832, 14326, 15080, 15428, 16240, 17290, 18200, 18850, 19285, 19760, 20300, 21112, 22040, 24700, 26390, 26600, 27550, 27664, 28652, 30160, 30856, 34580, 35815, 36400, 37700, 38570, 40600, 42224, 43225, 44080, 49400, 50141, 52780, 53200, 55100, 57304, 61712, 65975, 69160, 71630, 75400, 77140, 81200, 86450, 96425, 98800, 100282, 105560, 110200, 114608, 131950, 138320, 143260, 150800, 154280, 172900, 179075, 192850, 200564, 211120, 220400, 250705, 263900, 286520, 308560, 345800, 358150, 385700, 401128, 501410, 527800, 573040, 691600, 716300, 771400, 802256, 1002820, 1055600, 1253525, 1432600, 1542800, 2005640, 2507050, 2865200, 4011280, 5014100, 10028200, 20056400]

約数ペア:

[(1, 20056400), (2, 10028200), (4, 5014100), (5, 4011280), (7, 2865200), (8, 2507050), (10, 2005640), (13, 1542800), (14, 1432600), (16, 1253525), (19, 1055600), (20, 1002820), (25, 802256), (26, 771400), (28, 716300), (29, 691600), (35, 573040), (38, 527800), (40, 501410), (50, 401128), (52, 385700), (56, 358150), (58, 345800), (65, 308560), (70, 286520), (76, 263900), (80, 250705), (91, 220400), (95, 211120), (100, 200564), (104, 192850), (112, 179075), (116, 172900), (130, 154280), (133, 150800), (140, 143260), (145, 138320), (152, 131950), (175, 114608), (182, 110200), (190, 105560), (200, 100282), (203, 98800), (208, 96425), (232, 86450), (247, 81200), (260, 77140), (266, 75400), (280, 71630), (290, 69160), (304, 65975), (325, 61712), (350, 57304), (364, 55100), (377, 53200), (380, 52780), (400, 50141), (406, 49400), (455, 44080), (464, 43225), (475, 42224), (494, 40600), (520, 38570), (532, 37700), (551, 36400), (560, 35815), (580, 34580), (650, 30856), (665, 30160), (700, 28652), (725, 27664), (728, 27550), (754, 26600), (760, 26390), (812, 24700), (910, 22040), (950, 21112), (988, 20300), (1015, 19760), (1040, 19285), (1064, 18850), (1102, 18200), (1160, 17290), (1235, 16240), (1300, 15428), (1330, 15080), (1400, 14326), (1450, 13832), (1456, 13775), (1508, 13300), (1520, 13195), (1624, 12350), (1729, 11600), (1820, 11020), (1885, 10640), (1900, 10556), (1976, 10150), (2030, 9880), (2128, 9425), (2204, 9100), (2275, 8816), (2320, 8645), (2470, 8120), (2600, 7714), (2639, 7600), (2660, 7540), (2755, 7280), (2800, 7163), (2900, 6916), (3016, 6650), (3248, 6175), (3325, 6032), (3458, 5800), (3640, 5510), (3770, 5320), (3800, 5278), (3857, 5200), (3952, 5075), (4060, 4940), (4408, 4550)]