85491740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{99409}}^1$

素因数の和:99461

約数の個数: 24

約数和(自身を含む): 183709680

約数和(自身を除く): 98217940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 99409, 198818, 397636, 497045, 994090, 1988180, 4274587, 8549174, 17098348, 21372935, 42745870, 85491740]

約数ペア:

[(1, 85491740), (2, 42745870), (4, 21372935), (5, 17098348), (10, 8549174), (20, 4274587), (43, 1988180), (86, 994090), (172, 497045), (215, 397636), (430, 198818), (860, 99409)]