129170200

素因数分解:

$2^3\times 5^2\times {\mathrm{645851}}^1$

素因数の和:645867

約数の個数: 24

約数和(自身を含む): 300321180

約数和(自身を除く): 171150980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 645851, 1291702, 2583404, 3229255, 5166808, 6458510, 12917020, 16146275, 25834040, 32292550, 64585100, 129170200]

約数ペア:

[(1, 129170200), (2, 64585100), (4, 32292550), (5, 25834040), (8, 16146275), (10, 12917020), (20, 6458510), (25, 5166808), (40, 3229255), (50, 2583404), (100, 1291702), (200, 645851)]