1330665260

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{127703}}^1$

素因数の和:128233

約数の個数: 24

約数和(自身を含む): 2799782496

約数和(自身を除く): 1469117236

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 127703, 255406, 510812, 638515, 1277030, 2554060, 66533263, 133066526, 266133052, 332666315, 665332630, 1330665260]

約数ペア:

[(1, 1330665260), (2, 665332630), (4, 332666315), (5, 266133052), (10, 133066526), (20, 66533263), (521, 2554060), (1042, 1277030), (2084, 638515), (2605, 510812), (5210, 255406), (10420, 127703)]