68939260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{265151}}^1$

素因数の和:265173

約数の個数: 24

約数和(自身を含む): 155909376

約数和(自身を除く): 86970116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 265151, 530302, 1060604, 1325755, 2651510, 3446963, 5303020, 6893926, 13787852, 17234815, 34469630, 68939260]

約数ペア:

[(1, 68939260), (2, 34469630), (4, 17234815), (5, 13787852), (10, 6893926), (13, 5303020), (20, 3446963), (26, 2651510), (52, 1325755), (65, 1060604), (130, 530302), (260, 265151)]