85610720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:628

約数の個数: 96

約数和(自身を含む): 220993920

約数和(自身を除く): 135383200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 395, 416, 520, 521, 632, 790, 1027, 1040, 1042, 1264, 1580, 2054, 2080, 2084, 2528, 2605, 3160, 4108, 4168, 5135, 5210, 6320, 6773, 8216, 8336, 10270, 10420, 12640, 13546, 16432, 16672, 20540, 20840, 27092, 32864, 33865, 41080, 41159, 41680, 54184, 67730, 82160, 82318, 83360, 108368, 135460, 164320, 164636, 205795, 216736, 270920, 329272, 411590, 535067, 541840, 658544, 823180, 1070134, 1083680, 1317088, 1646360, 2140268, 2675335, 3292720, 4280536, 5350670, 6585440, 8561072, 10701340, 17122144, 21402680, 42805360, 85610720]

約数ペア:

[(1, 85610720), (2, 42805360), (4, 21402680), (5, 17122144), (8, 10701340), (10, 8561072), (13, 6585440), (16, 5350670), (20, 4280536), (26, 3292720), (32, 2675335), (40, 2140268), (52, 1646360), (65, 1317088), (79, 1083680), (80, 1070134), (104, 823180), (130, 658544), (158, 541840), (160, 535067), (208, 411590), (260, 329272), (316, 270920), (395, 216736), (416, 205795), (520, 164636), (521, 164320), (632, 135460), (790, 108368), (1027, 83360), (1040, 82318), (1042, 82160), (1264, 67730), (1580, 54184), (2054, 41680), (2080, 41159), (2084, 41080), (2528, 33865), (2605, 32864), (3160, 27092), (4108, 20840), (4168, 20540), (5135, 16672), (5210, 16432), (6320, 13546), (6773, 12640), (8216, 10420), (8336, 10270)]