2556250

素因数分解:

$2^1\times 5^5\times {\mathrm{409}}^1$

素因数の和:436

約数の個数: 24

約数和(自身を含む): 4804380

約数和(自身を除く): 2248130

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 409, 625, 818, 1250, 2045, 3125, 4090, 6250, 10225, 20450, 51125, 102250, 255625, 511250, 1278125, 2556250]

約数ペア:

[(1, 2556250), (2, 1278125), (5, 511250), (10, 255625), (25, 102250), (50, 51125), (125, 20450), (250, 10225), (409, 6250), (625, 4090), (818, 3125), (1250, 2045)]