5112500

素因数分解:

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

素因数の和:438

約数の個数: 36

約数和(自身を含む): 11210220

約数和(自身を除く): 6097720

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 409, 500, 625, 818, 1250, 1636, 2045, 2500, 3125, 4090, 6250, 8180, 10225, 12500, 20450, 40900, 51125, 102250, 204500, 255625, 511250, 1022500, 1278125, 2556250, 5112500]

約数ペア:

[(1, 5112500), (2, 2556250), (4, 1278125), (5, 1022500), (10, 511250), (20, 255625), (25, 204500), (50, 102250), (100, 51125), (125, 40900), (250, 20450), (409, 12500), (500, 10225), (625, 8180), (818, 6250), (1250, 4090), (1636, 3125), (2045, 2500)]