20254000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:96

約数の個数: 160

約数和(自身を含む): 56871360

約数和(自身を除く): 36617360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 41, 50, 52, 65, 76, 80, 82, 95, 100, 104, 125, 130, 152, 164, 190, 200, 205, 208, 247, 250, 260, 304, 325, 328, 380, 400, 410, 475, 494, 500, 520, 533, 650, 656, 760, 779, 820, 950, 988, 1000, 1025, 1040, 1066, 1235, 1300, 1520, 1558, 1625, 1640, 1900, 1976, 2000, 2050, 2132, 2375, 2470, 2600, 2665, 3116, 3250, 3280, 3800, 3895, 3952, 4100, 4264, 4750, 4940, 5125, 5200, 5330, 6175, 6232, 6500, 7600, 7790, 8200, 8528, 9500, 9880, 10127, 10250, 10660, 12350, 12464, 13000, 13325, 15580, 16400, 19000, 19475, 19760, 20254, 20500, 21320, 24700, 26000, 26650, 30875, 31160, 38000, 38950, 40508, 41000, 42640, 49400, 50635, 53300, 61750, 62320, 66625, 77900, 81016, 82000, 97375, 98800, 101270, 106600, 123500, 133250, 155800, 162032, 194750, 202540, 213200, 247000, 253175, 266500, 311600, 389500, 405080, 494000, 506350, 533000, 779000, 810160, 1012700, 1066000, 1265875, 1558000, 2025400, 2531750, 4050800, 5063500, 10127000, 20254000]

約数ペア:

[(1, 20254000), (2, 10127000), (4, 5063500), (5, 4050800), (8, 2531750), (10, 2025400), (13, 1558000), (16, 1265875), (19, 1066000), (20, 1012700), (25, 810160), (26, 779000), (38, 533000), (40, 506350), (41, 494000), (50, 405080), (52, 389500), (65, 311600), (76, 266500), (80, 253175), (82, 247000), (95, 213200), (100, 202540), (104, 194750), (125, 162032), (130, 155800), (152, 133250), (164, 123500), (190, 106600), (200, 101270), (205, 98800), (208, 97375), (247, 82000), (250, 81016), (260, 77900), (304, 66625), (325, 62320), (328, 61750), (380, 53300), (400, 50635), (410, 49400), (475, 42640), (494, 41000), (500, 40508), (520, 38950), (533, 38000), (650, 31160), (656, 30875), (760, 26650), (779, 26000), (820, 24700), (950, 21320), (988, 20500), (1000, 20254), (1025, 19760), (1040, 19475), (1066, 19000), (1235, 16400), (1300, 15580), (1520, 13325), (1558, 13000), (1625, 12464), (1640, 12350), (1900, 10660), (1976, 10250), (2000, 10127), (2050, 9880), (2132, 9500), (2375, 8528), (2470, 8200), (2600, 7790), (2665, 7600), (3116, 6500), (3250, 6232), (3280, 6175), (3800, 5330), (3895, 5200), (3952, 5125), (4100, 4940), (4264, 4750)]