3161020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2591}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 6749568

約数和(自身を除く): 3588548

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2591, 5182, 10364, 12955, 25910, 51820, 158051, 316102, 632204, 790255, 1580510, 3161020]

約数ペア:

[(1, 3161020), (2, 1580510), (4, 790255), (5, 632204), (10, 316102), (20, 158051), (61, 51820), (122, 25910), (244, 12955), (305, 10364), (610, 5182), (1220, 2591)]