31400620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54139}}^1$

素因数の和:54177

約数の個数: 24

約数和(自身を含む): 68216400

約数和(自身を除く): 36815780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 54139, 108278, 216556, 270695, 541390, 1082780, 1570031, 3140062, 6280124, 7850155, 15700310, 31400620]

約数ペア:

[(1, 31400620), (2, 15700310), (4, 7850155), (5, 6280124), (10, 3140062), (20, 1570031), (29, 1082780), (58, 541390), (116, 270695), (145, 216556), (290, 108278), (580, 54139)]