40123340

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{1571}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 84378672

約数和(自身を除く): 44255332

約数列:

[1, 2, 4, 5, 10, 20, 1277, 1571, 2554, 3142, 5108, 6284, 6385, 7855, 12770, 15710, 25540, 31420, 2006167, 4012334, 8024668, 10030835, 20061670, 40123340]

約数ペア:

[(1, 40123340), (2, 20061670), (4, 10030835), (5, 8024668), (10, 4012334), (20, 2006167), (1277, 31420), (1571, 25540), (2554, 15710), (3142, 12770), (5108, 7855), (6284, 6385)]