40416080

素因数分解:

$2^4\times 5^1\times {\mathrm{505201}}^1$

素因数の和:505214

約数の個数: 20

約数和(自身を含む): 93967572

約数和(自身を除く): 53551492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505201, 1010402, 2020804, 2526005, 4041608, 5052010, 8083216, 10104020, 20208040, 40416080]

約数ペア:

[(1, 40416080), (2, 20208040), (4, 10104020), (5, 8083216), (8, 5052010), (10, 4041608), (16, 2526005), (20, 2020804), (40, 1010402), (80, 505201)]