137878520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{265151}}^1$

素因数の和:265175

約数の個数: 32

約数和(自身を含む): 334091520

約数和(自身を除く): 196213000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 265151, 530302, 1060604, 1325755, 2121208, 2651510, 3446963, 5303020, 6893926, 10606040, 13787852, 17234815, 27575704, 34469630, 68939260, 137878520]

約数ペア:

[(1, 137878520), (2, 68939260), (4, 34469630), (5, 27575704), (8, 17234815), (10, 13787852), (13, 10606040), (20, 6893926), (26, 5303020), (40, 3446963), (52, 2651510), (65, 2121208), (104, 1325755), (130, 1060604), (260, 530302), (520, 265151)]