4165625

素因数分解:

$5^5\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 24

約数和(自身を含む): 5499648

約数和(自身を除く): 1334023

約数列:

[1, 5, 25, 31, 43, 125, 155, 215, 625, 775, 1075, 1333, 3125, 3875, 5375, 6665, 19375, 26875, 33325, 96875, 134375, 166625, 833125, 4165625]

約数ペア:

[(1, 4165625), (5, 833125), (25, 166625), (31, 134375), (43, 96875), (125, 33325), (155, 26875), (215, 19375), (625, 6665), (775, 5375), (1075, 3875), (1333, 3125)]