9938650

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1009}}^1$

素因数の和:1218

約数の個数: 24

約数和(自身を含む): 18598140

約数和(自身を除く): 8659490

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1009, 1970, 2018, 4925, 5045, 9850, 10090, 25225, 50450, 198773, 397546, 993865, 1987730, 4969325, 9938650]

約数ペア:

[(1, 9938650), (2, 4969325), (5, 1987730), (10, 993865), (25, 397546), (50, 198773), (197, 50450), (394, 25225), (985, 10090), (1009, 9850), (1970, 5045), (2018, 4925)]