85620740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{99559}}^1$

素因数の和:99611

約数の個数: 24

約数和(自身を含む): 183986880

約数和(自身を除く): 98366140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 99559, 199118, 398236, 497795, 995590, 1991180, 4281037, 8562074, 17124148, 21405185, 42810370, 85620740]

約数ペア:

[(1, 85620740), (2, 42810370), (4, 21405185), (5, 17124148), (10, 8562074), (20, 4281037), (43, 1991180), (86, 995590), (172, 497795), (215, 398236), (430, 199118), (860, 99559)]