79739140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306689}}^1$

素因数の和:306711

約数の個数: 24

約数和(自身を含む): 180333720

約数和(自身を除く): 100594580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306689, 613378, 1226756, 1533445, 3066890, 3986957, 6133780, 7973914, 15947828, 19934785, 39869570, 79739140]

約数ペア:

[(1, 79739140), (2, 39869570), (4, 19934785), (5, 15947828), (10, 7973914), (13, 6133780), (20, 3986957), (26, 3066890), (52, 1533445), (65, 1226756), (130, 613378), (260, 306689)]