80826890

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{24419}}^1$

素因数の和:24757

約数の個数: 16

約数和(自身を含む): 145933920

約数和(自身を除く): 65107030

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 24419, 48838, 122095, 244190, 8082689, 16165378, 40413445, 80826890]

約数ペア:

[(1, 80826890), (2, 40413445), (5, 16165378), (10, 8082689), (331, 244190), (662, 122095), (1655, 48838), (3310, 24419)]