40395620

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1789}}^1$

素因数の和:2927

約数の個数: 24

約数和(自身を含む): 84953400

約数和(自身を除く): 44557780

約数列:

[1, 2, 4, 5, 10, 20, 1129, 1789, 2258, 3578, 4516, 5645, 7156, 8945, 11290, 17890, 22580, 35780, 2019781, 4039562, 8079124, 10098905, 20197810, 40395620]

約数ペア:

[(1, 40395620), (2, 20197810), (4, 10098905), (5, 8079124), (10, 4039562), (20, 2019781), (1129, 35780), (1789, 22580), (2258, 17890), (3578, 11290), (4516, 8945), (5645, 7156)]