78765440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9467}}^1$

素因数の和:9499

約数の個数: 64

約数和(自身を含む): 202804560

約数和(自身を除く): 124039120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 9467, 18934, 37868, 47335, 75736, 94670, 123071, 151472, 189340, 246142, 302944, 378680, 492284, 605888, 615355, 757360, 984568, 1211776, 1230710, 1514720, 1969136, 2461420, 3029440, 3938272, 4922840, 6058880, 7876544, 9845680, 15753088, 19691360, 39382720, 78765440]

約数ペア:

[(1, 78765440), (2, 39382720), (4, 19691360), (5, 15753088), (8, 9845680), (10, 7876544), (13, 6058880), (16, 4922840), (20, 3938272), (26, 3029440), (32, 2461420), (40, 1969136), (52, 1514720), (64, 1230710), (65, 1211776), (80, 984568), (104, 757360), (128, 615355), (130, 605888), (160, 492284), (208, 378680), (260, 302944), (320, 246142), (416, 189340), (520, 151472), (640, 123071), (832, 94670), (1040, 75736), (1664, 47335), (2080, 37868), (4160, 18934), (8320, 9467)]