68518580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263533}}^1$

素因数の和:263555

約数の個数: 24

約数和(自身を含む): 154957992

約数和(自身を除く): 86439412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263533, 527066, 1054132, 1317665, 2635330, 3425929, 5270660, 6851858, 13703716, 17129645, 34259290, 68518580]

約数ペア:

[(1, 68518580), (2, 34259290), (4, 17129645), (5, 13703716), (10, 6851858), (13, 5270660), (20, 3425929), (26, 2635330), (52, 1317665), (65, 1054132), (130, 527066), (260, 263533)]