39680005

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{4721}}^1$

素因数の和:4808

約数の個数: 12

約数和(自身を含む): 48816036

約数和(自身を除く): 9136031

約数列:

[1, 5, 41, 205, 1681, 4721, 8405, 23605, 193561, 967805, 7936001, 39680005]

約数ペア:

[(1, 39680005), (5, 7936001), (41, 967805), (205, 193561), (1681, 23605), (4721, 8405)]