9856580

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1229}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 20767320

約数和(自身を除く): 10910740

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1229, 1604, 2005, 2458, 4010, 4916, 6145, 8020, 12290, 24580, 492829, 985658, 1971316, 2464145, 4928290, 9856580]

約数ペア:

[(1, 9856580), (2, 4928290), (4, 2464145), (5, 1971316), (10, 985658), (20, 492829), (401, 24580), (802, 12290), (1229, 8020), (1604, 6145), (2005, 4916), (2458, 4010)]