871347760

素因数分解:

$2^4\times 5^1\times {\mathrm{10891847}}^1$

素因数の和:10891860

約数の個数: 20

約数和(自身を含む): 2025883728

約数和(自身を除く): 1154535968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10891847, 21783694, 43567388, 54459235, 87134776, 108918470, 174269552, 217836940, 435673880, 871347760]

約数ペア:

[(1, 871347760), (2, 435673880), (4, 217836940), (5, 174269552), (8, 108918470), (10, 87134776), (16, 54459235), (20, 43567388), (40, 21783694), (80, 10891847)]