201625960

素因数分解:

$2^3\times 5^1\times {\mathrm{5040649}}^1$

素因数の和:5040660

約数の個数: 16

約数和(自身を含む): 453658500

約数和(自身を除く): 252032540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040649, 10081298, 20162596, 25203245, 40325192, 50406490, 100812980, 201625960]

約数ペア:

[(1, 201625960), (2, 100812980), (4, 50406490), (5, 40325192), (8, 25203245), (10, 20162596), (20, 10081298), (40, 5040649)]