155280340

素因数分解:

$2^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{7039}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 326430720

約数和(自身を除く): 171150380

約数列:

[1, 2, 4, 5, 10, 20, 1103, 2206, 4412, 5515, 7039, 11030, 14078, 22060, 28156, 35195, 70390, 140780, 7764017, 15528034, 31056068, 38820085, 77640170, 155280340]

約数ペア:

[(1, 155280340), (2, 77640170), (4, 38820085), (5, 31056068), (10, 15528034), (20, 7764017), (1103, 140780), (2206, 70390), (4412, 35195), (5515, 28156), (7039, 22060), (11030, 14078)]