2017896080

素因数分解:

$2^4\times 5^1\times {\mathrm{25223701}}^1$

素因数の和:25223714

約数の個数: 20

約数和(自身を含む): 4691608572

約数和(自身を除く): 2673712492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25223701, 50447402, 100894804, 126118505, 201789608, 252237010, 403579216, 504474020, 1008948040, 2017896080]

約数ペア:

[(1, 2017896080), (2, 1008948040), (4, 504474020), (5, 403579216), (8, 252237010), (10, 201789608), (16, 126118505), (20, 100894804), (40, 50447402), (80, 25223701)]