20138500

素因数分解:

$2^2\times 5^3\times {\mathrm{40277}}^1$

素因数の和:40296

約数の個数: 24

約数和(自身を含む): 43983576

約数和(自身を除く): 23845076

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40277, 80554, 161108, 201385, 402770, 805540, 1006925, 2013850, 4027700, 5034625, 10069250, 20138500]

約数ペア:

[(1, 20138500), (2, 10069250), (4, 5034625), (5, 4027700), (10, 2013850), (20, 1006925), (25, 805540), (50, 402770), (100, 201385), (125, 161108), (250, 80554), (500, 40277)]