72611620

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2311}}^1$

素因数の和:3891

約数の個数: 24

約数和(自身を含む): 152647488

約数和(自身を除く): 80035868

約数列:

[1, 2, 4, 5, 10, 20, 1571, 2311, 3142, 4622, 6284, 7855, 9244, 11555, 15710, 23110, 31420, 46220, 3630581, 7261162, 14522324, 18152905, 36305810, 72611620]

約数ペア:

[(1, 72611620), (2, 36305810), (4, 18152905), (5, 14522324), (10, 7261162), (20, 3630581), (1571, 46220), (2311, 31420), (3142, 23110), (4622, 15710), (6284, 11555), (7855, 9244)]