890802160

素因数分解:

$2^4\times 5^1\times {\mathrm{11135027}}^1$

素因数の和:11135040

約数の個数: 20

約数和(自身を含む): 2071115208

約数和(自身を除く): 1180313048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11135027, 22270054, 44540108, 55675135, 89080216, 111350270, 178160432, 222700540, 445401080, 890802160]

約数ペア:

[(1, 890802160), (2, 445401080), (4, 222700540), (5, 178160432), (8, 111350270), (10, 89080216), (16, 55675135), (20, 44540108), (40, 22270054), (80, 11135027)]