47681920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:564

約数の個数: 128

約数和(自身を含む): 134174880

約数和(自身を除く): 86492960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 521, 572, 640, 704, 715, 832, 880, 1040, 1042, 1144, 1408, 1430, 1664, 1760, 2080, 2084, 2288, 2605, 2860, 3520, 4160, 4168, 4576, 5210, 5720, 5731, 6773, 7040, 8320, 8336, 9152, 10420, 11440, 11462, 13546, 16672, 18304, 20840, 22880, 22924, 27092, 28655, 33344, 33865, 41680, 45760, 45848, 54184, 57310, 66688, 67730, 74503, 83360, 91520, 91696, 108368, 114620, 135460, 149006, 166720, 183392, 216736, 229240, 270920, 298012, 333440, 366784, 372515, 433472, 458480, 541840, 596024, 733568, 745030, 866944, 916960, 1083680, 1192048, 1490060, 1833920, 2167360, 2384096, 2980120, 3667840, 4334720, 4768192, 5960240, 9536384, 11920480, 23840960, 47681920]

約数ペア:

[(1, 47681920), (2, 23840960), (4, 11920480), (5, 9536384), (8, 5960240), (10, 4768192), (11, 4334720), (13, 3667840), (16, 2980120), (20, 2384096), (22, 2167360), (26, 1833920), (32, 1490060), (40, 1192048), (44, 1083680), (52, 916960), (55, 866944), (64, 745030), (65, 733568), (80, 596024), (88, 541840), (104, 458480), (110, 433472), (128, 372515), (130, 366784), (143, 333440), (160, 298012), (176, 270920), (208, 229240), (220, 216736), (260, 183392), (286, 166720), (320, 149006), (352, 135460), (416, 114620), (440, 108368), (520, 91696), (521, 91520), (572, 83360), (640, 74503), (704, 67730), (715, 66688), (832, 57310), (880, 54184), (1040, 45848), (1042, 45760), (1144, 41680), (1408, 33865), (1430, 33344), (1664, 28655), (1760, 27092), (2080, 22924), (2084, 22880), (2288, 20840), (2605, 18304), (2860, 16672), (3520, 13546), (4160, 11462), (4168, 11440), (4576, 10420), (5210, 9152), (5720, 8336), (5731, 8320), (6773, 7040)]