826680520

素因数分解:

$2^3\times 5^1\times {\mathrm{20667013}}^1$

素因数の和:20667024

約数の個数: 16

約数和(自身を含む): 1860031260

約数和(自身を除く): 1033350740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20667013, 41334026, 82668052, 103335065, 165336104, 206670130, 413340260, 826680520]

約数ペア:

[(1, 826680520), (2, 413340260), (4, 206670130), (5, 165336104), (8, 103335065), (10, 82668052), (20, 41334026), (40, 20667013)]