133088440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{77377}}^1$

素因数の和:77431

約数の個数: 32

約数和(自身を含む): 306416880

約数和(自身を除く): 173328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 77377, 154754, 309508, 386885, 619016, 773770, 1547540, 3095080, 3327211, 6654422, 13308844, 16636055, 26617688, 33272110, 66544220, 133088440]

約数ペア:

[(1, 133088440), (2, 66544220), (4, 33272110), (5, 26617688), (8, 16636055), (10, 13308844), (20, 6654422), (40, 3327211), (43, 3095080), (86, 1547540), (172, 773770), (215, 619016), (344, 386885), (430, 309508), (860, 154754), (1720, 77377)]