76821680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73867}}^1$

素因数の和:73893

約数の個数: 40

約数和(自身を含む): 192352272

約数和(自身を除く): 115530592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 73867, 147734, 295468, 369335, 590936, 738670, 960271, 1181872, 1477340, 1920542, 2954680, 3841084, 4801355, 5909360, 7682168, 9602710, 15364336, 19205420, 38410840, 76821680]

約数ペア:

[(1, 76821680), (2, 38410840), (4, 19205420), (5, 15364336), (8, 9602710), (10, 7682168), (13, 5909360), (16, 4801355), (20, 3841084), (26, 2954680), (40, 1920542), (52, 1477340), (65, 1181872), (80, 960271), (104, 738670), (130, 590936), (208, 369335), (260, 295468), (520, 147734), (1040, 73867)]