2005386760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3856513}}^1$

素因数の和:3856537

約数の個数: 32

約数和(自身を含む): 4859207640

約数和(自身を除く): 2853820880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3856513, 7713026, 15426052, 19282565, 30852104, 38565130, 50134669, 77130260, 100269338, 154260520, 200538676, 250673345, 401077352, 501346690, 1002693380, 2005386760]

約数ペア:

[(1, 2005386760), (2, 1002693380), (4, 501346690), (5, 401077352), (8, 250673345), (10, 200538676), (13, 154260520), (20, 100269338), (26, 77130260), (40, 50134669), (52, 38565130), (65, 30852104), (104, 19282565), (130, 15426052), (260, 7713026), (520, 3856513)]