9859988360

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{244301}}^1$

素因数の和:245321

約数の個数: 32

約数和(自身を含む): 22207051800

約数和(自身を除く): 12347063440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 4036, 5045, 8072, 10090, 20180, 40360, 244301, 488602, 977204, 1221505, 1954408, 2443010, 4886020, 9772040, 246499709, 492999418, 985998836, 1232498545, 1971997672, 2464997090, 4929994180, 9859988360]

約数ペア:

[(1, 9859988360), (2, 4929994180), (4, 2464997090), (5, 1971997672), (8, 1232498545), (10, 985998836), (20, 492999418), (40, 246499709), (1009, 9772040), (2018, 4886020), (4036, 2443010), (5045, 1954408), (8072, 1221505), (10090, 977204), (20180, 488602), (40360, 244301)]