42190780

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2011}}^1$

素因数の和:3069

約数の個数: 24

約数和(自身を含む): 88729200

約数和(自身を除く): 46538420

約数列:

[1, 2, 4, 5, 10, 20, 1049, 2011, 2098, 4022, 4196, 5245, 8044, 10055, 10490, 20110, 20980, 40220, 2109539, 4219078, 8438156, 10547695, 21095390, 42190780]

約数ペア:

[(1, 42190780), (2, 21095390), (4, 10547695), (5, 8438156), (10, 4219078), (20, 2109539), (1049, 40220), (2011, 20980), (2098, 20110), (4022, 10490), (4196, 10055), (5245, 8044)]