128510

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 16

約数和(自身を含む): 235872

約数和(自身を除く): 107362

約数列:

[1, 2, 5, 10, 71, 142, 181, 355, 362, 710, 905, 1810, 12851, 25702, 64255, 128510]

約数ペア:

[(1, 128510), (2, 64255), (5, 25702), (10, 12851), (71, 1810), (142, 905), (181, 710), (355, 362)]