129065960

素因数分解:

$2^3\times 5^1\times {\mathrm{3226649}}^1$

素因数の和:3226660

約数の個数: 16

約数和(自身を含む): 290398500

約数和(自身を除く): 161332540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3226649, 6453298, 12906596, 16133245, 25813192, 32266490, 64532980, 129065960]

約数ペア:

[(1, 129065960), (2, 64532980), (4, 32266490), (5, 25813192), (8, 16133245), (10, 12906596), (20, 6453298), (40, 3226649)]