27968720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26893}}^1$

素因数の和:26919

約数の個数: 40

約数和(自身を含む): 70031976

約数和(自身を除く): 42063256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26893, 53786, 107572, 134465, 215144, 268930, 349609, 430288, 537860, 699218, 1075720, 1398436, 1748045, 2151440, 2796872, 3496090, 5593744, 6992180, 13984360, 27968720]

約数ペア:

[(1, 27968720), (2, 13984360), (4, 6992180), (5, 5593744), (8, 3496090), (10, 2796872), (13, 2151440), (16, 1748045), (20, 1398436), (26, 1075720), (40, 699218), (52, 537860), (65, 430288), (80, 349609), (104, 268930), (130, 215144), (208, 134465), (260, 107572), (520, 53786), (1040, 26893)]