15908080

素因数分解:

$2^4\times 5^1\times {\mathrm{198851}}^1$

素因数の和:198864

約数の個数: 20

約数和(自身を含む): 36986472

約数和(自身を除く): 21078392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198851, 397702, 795404, 994255, 1590808, 1988510, 3181616, 3977020, 7954040, 15908080]

約数ペア:

[(1, 15908080), (2, 7954040), (4, 3977020), (5, 3181616), (8, 1988510), (10, 1590808), (16, 994255), (20, 795404), (40, 397702), (80, 198851)]