8905025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 12213504

約数和(自身を除く): 3308479

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 911, 1955, 4555, 9775, 15487, 20953, 22775, 77435, 104765, 356201, 387175, 523825, 1781005, 8905025]

約数ペア:

[(1, 8905025), (5, 1781005), (17, 523825), (23, 387175), (25, 356201), (85, 104765), (115, 77435), (391, 22775), (425, 20953), (575, 15487), (911, 9775), (1955, 4555)]