160216225

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{2917}}^1$

素因数の和:2966

約数の個数: 24

約数和(自身を含む): 215290040

約数和(自身を除く): 55073815

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 2197, 2917, 4225, 10985, 14585, 37921, 54925, 72925, 189605, 492973, 948025, 2464865, 6408649, 12324325, 32043245, 160216225]

約数ペア:

[(1, 160216225), (5, 32043245), (13, 12324325), (25, 6408649), (65, 2464865), (169, 948025), (325, 492973), (845, 189605), (2197, 72925), (2917, 54925), (4225, 37921), (10985, 14585)]