8720575

素因数分解:

$5^2\times {\mathrm{17}}^3\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 24

約数和(自身を含む): 11651040

約数和(自身を除く): 2930465

約数列:

[1, 5, 17, 25, 71, 85, 289, 355, 425, 1207, 1445, 1775, 4913, 6035, 7225, 20519, 24565, 30175, 102595, 122825, 348823, 512975, 1744115, 8720575]

約数ペア:

[(1, 8720575), (5, 1744115), (17, 512975), (25, 348823), (71, 122825), (85, 102595), (289, 30175), (355, 24565), (425, 20519), (1207, 7225), (1445, 6035), (1775, 4913)]