40637980

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3571}}^1$

素因数の和:4149

約数の個数: 24

約数和(自身を含む): 85513680

約数和(自身を除く): 44875700

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 3571, 5690, 7142, 11380, 14284, 17855, 35710, 71420, 2031899, 4063798, 8127596, 10159495, 20318990, 40637980]

約数ペア:

[(1, 40637980), (2, 20318990), (4, 10159495), (5, 8127596), (10, 4063798), (20, 2031899), (569, 71420), (1138, 35710), (2276, 17855), (2845, 14284), (3571, 11380), (5690, 7142)]