89983760

素因数分解:

$2^4\times 5^1\times {\mathrm{1124797}}^1$

素因数の和:1124810

約数の個数: 20

約数和(自身を含む): 209212428

約数和(自身を除く): 119228668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1124797, 2249594, 4499188, 5623985, 8998376, 11247970, 17996752, 22495940, 44991880, 89983760]

約数ペア:

[(1, 89983760), (2, 44991880), (4, 22495940), (5, 17996752), (8, 11247970), (10, 8998376), (16, 5623985), (20, 4499188), (40, 2249594), (80, 1124797)]