1445880880

素因数分解:

$2^4\times 5^1\times {\mathrm{18073511}}^1$

素因数の和:18073524

約数の個数: 20

約数和(自身を含む): 3361673232

約数和(自身を除く): 1915792352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18073511, 36147022, 72294044, 90367555, 144588088, 180735110, 289176176, 361470220, 722940440, 1445880880]

約数ペア:

[(1, 1445880880), (2, 722940440), (4, 361470220), (5, 289176176), (8, 180735110), (10, 144588088), (16, 90367555), (20, 72294044), (40, 36147022), (80, 18073511)]