87768040

素因数分解:

$2^3\times 5^1\times {\mathrm{2194201}}^1$

素因数の和:2194212

約数の個数: 16

約数和(自身を含む): 197478180

約数和(自身を除く): 109710140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2194201, 4388402, 8776804, 10971005, 17553608, 21942010, 43884020, 87768040]

約数ペア:

[(1, 87768040), (2, 43884020), (4, 21942010), (5, 17553608), (8, 10971005), (10, 8776804), (20, 4388402), (40, 2194201)]