80790820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367231}}^1$

素因数の和:367251

約数の個数: 24

約数和(自身を含む): 185084928

約数和(自身を除く): 104294108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367231, 734462, 1468924, 1836155, 3672310, 4039541, 7344620, 8079082, 16158164, 20197705, 40395410, 80790820]

約数ペア:

[(1, 80790820), (2, 40395410), (4, 20197705), (5, 16158164), (10, 8079082), (11, 7344620), (20, 4039541), (22, 3672310), (44, 1836155), (55, 1468924), (110, 734462), (220, 367231)]