32019920

素因数分解:

$2^4\times 5^1\times {\mathrm{400249}}^1$

素因数の和:400262

約数の個数: 20

約数和(自身を含む): 74446500

約数和(自身を除く): 42426580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 400249, 800498, 1600996, 2001245, 3201992, 4002490, 6403984, 8004980, 16009960, 32019920]

約数ペア:

[(1, 32019920), (2, 16009960), (4, 8004980), (5, 6403984), (8, 4002490), (10, 3201992), (16, 2001245), (20, 1600996), (40, 800498), (80, 400249)]