40270390

素因数分解:

$2^1\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{2251}}^1$

素因数の和:4047

約数の個数: 16

約数和(自身を含む): 72559440

約数和(自身を除く): 32289050

約数列:

[1, 2, 5, 10, 1789, 2251, 3578, 4502, 8945, 11255, 17890, 22510, 4027039, 8054078, 20135195, 40270390]

約数ペア:

[(1, 40270390), (2, 20135195), (5, 8054078), (10, 4027039), (1789, 22510), (2251, 17890), (3578, 11255), (4502, 8945)]