26901680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25867}}^1$

素因数の和:25893

約数の個数: 40

約数和(自身を含む): 67360272

約数和(自身を除く): 40458592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 25867, 51734, 103468, 129335, 206936, 258670, 336271, 413872, 517340, 672542, 1034680, 1345084, 1681355, 2069360, 2690168, 3362710, 5380336, 6725420, 13450840, 26901680]

約数ペア:

[(1, 26901680), (2, 13450840), (4, 6725420), (5, 5380336), (8, 3362710), (10, 2690168), (13, 2069360), (16, 1681355), (20, 1345084), (26, 1034680), (40, 672542), (52, 517340), (65, 413872), (80, 336271), (104, 258670), (130, 206936), (208, 129335), (260, 103468), (520, 51734), (1040, 25867)]