78996860

素因数分解:

$2^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{3581}}^1$

素因数の和:4693

約数の個数: 24

約数和(自身を含む): 166090176

約数和(自身を除く): 87093316

約数列:

[1, 2, 4, 5, 10, 20, 1103, 2206, 3581, 4412, 5515, 7162, 11030, 14324, 17905, 22060, 35810, 71620, 3949843, 7899686, 15799372, 19749215, 39498430, 78996860]

約数ペア:

[(1, 78996860), (2, 39498430), (4, 19749215), (5, 15799372), (10, 7899686), (20, 3949843), (1103, 71620), (2206, 35810), (3581, 22060), (4412, 17905), (5515, 14324), (7162, 11030)]