42253180

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5431}}^1$

素因数の和:5829

約数の個数: 24

約数和(自身を含む): 88976160

約数和(自身を除く): 46722980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 5431, 7780, 10862, 21724, 27155, 54310, 108620, 2112659, 4225318, 8450636, 10563295, 21126590, 42253180]

約数ペア:

[(1, 42253180), (2, 21126590), (4, 10563295), (5, 8450636), (10, 4225318), (20, 2112659), (389, 108620), (778, 54310), (1556, 27155), (1945, 21724), (3890, 10862), (5431, 7780)]