90403640

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2939}}^1$

素因数の和:3719

約数の個数: 32

約数和(自身を含む): 203742000

約数和(自身を除く): 113338360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 2939, 3076, 3845, 5878, 6152, 7690, 11756, 14695, 15380, 23512, 29390, 30760, 58780, 117560, 2260091, 4520182, 9040364, 11300455, 18080728, 22600910, 45201820, 90403640]

約数ペア:

[(1, 90403640), (2, 45201820), (4, 22600910), (5, 18080728), (8, 11300455), (10, 9040364), (20, 4520182), (40, 2260091), (769, 117560), (1538, 58780), (2939, 30760), (3076, 29390), (3845, 23512), (5878, 15380), (6152, 14695), (7690, 11756)]