42128225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 56782080

約数和(自身を除く): 14653855

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2861, 2945, 14305, 14725, 54359, 71525, 88691, 271795, 443455, 1358975, 1685129, 2217275, 8425645, 42128225]

約数ペア:

[(1, 42128225), (5, 8425645), (19, 2217275), (25, 1685129), (31, 1358975), (95, 443455), (155, 271795), (475, 88691), (589, 71525), (775, 54359), (2861, 14725), (2945, 14305)]