2006010980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{638857}}^1$

素因数の和:639023

約数の個数: 24

約数和(自身を含む): 4239461688

約数和(自身を除く): 2233450708

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 638857, 1277714, 2555428, 3194285, 6388570, 12777140, 100300549, 200601098, 401202196, 501502745, 1003005490, 2006010980]

約数ペア:

[(1, 2006010980), (2, 1003005490), (4, 501502745), (5, 401202196), (10, 200601098), (20, 100300549), (157, 12777140), (314, 6388570), (628, 3194285), (785, 2555428), (1570, 1277714), (3140, 638857)]