71421920

素因数分解:

$2^5\times 5^1\times {\mathrm{446387}}^1$

素因数の和:446402

約数の個数: 24

約数和(自身を含む): 168734664

約数和(自身を除く): 97312744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 446387, 892774, 1785548, 2231935, 3571096, 4463870, 7142192, 8927740, 14284384, 17855480, 35710960, 71421920]

約数ペア:

[(1, 71421920), (2, 35710960), (4, 17855480), (5, 14284384), (8, 8927740), (10, 7142192), (16, 4463870), (20, 3571096), (32, 2231935), (40, 1785548), (80, 892774), (160, 446387)]