4320625

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 20

約数和(自身を含む): 5598208

約数和(自身を除く): 1277583

約数列:

[1, 5, 25, 31, 125, 155, 223, 625, 775, 1115, 3875, 5575, 6913, 19375, 27875, 34565, 139375, 172825, 864125, 4320625]

約数ペア:

[(1, 4320625), (5, 864125), (25, 172825), (31, 139375), (125, 34565), (155, 27875), (223, 19375), (625, 6913), (775, 5575), (1115, 3875)]