4038620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1787}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 8560944

約数和(自身を除く): 4522324

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 1787, 2260, 3574, 7148, 8935, 17870, 35740, 201931, 403862, 807724, 1009655, 2019310, 4038620]

約数ペア:

[(1, 4038620), (2, 2019310), (4, 1009655), (5, 807724), (10, 403862), (20, 201931), (113, 35740), (226, 17870), (452, 8935), (565, 7148), (1130, 3574), (1787, 2260)]