40784375

素因数分解:

$5^5\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 52746624

約数和(自身を除く): 11962249

約数列:

[1, 5, 25, 31, 125, 155, 421, 625, 775, 2105, 3125, 3875, 10525, 13051, 19375, 52625, 65255, 96875, 263125, 326275, 1315625, 1631375, 8156875, 40784375]

約数ペア:

[(1, 40784375), (5, 8156875), (25, 1631375), (31, 1315625), (125, 326275), (155, 263125), (421, 96875), (625, 65255), (775, 52625), (2105, 19375), (3125, 13051), (3875, 10525)]