89669680

素因数分解:

$2^4\times 5^1\times {\mathrm{1120871}}^1$

素因数の和:1120884

約数の個数: 20

約数和(自身を含む): 208482192

約数和(自身を除く): 118812512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1120871, 2241742, 4483484, 5604355, 8966968, 11208710, 17933936, 22417420, 44834840, 89669680]

約数ペア:

[(1, 89669680), (2, 44834840), (4, 22417420), (5, 17933936), (8, 11208710), (10, 8966968), (16, 5604355), (20, 4483484), (40, 2241742), (80, 1120871)]