57120905

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 69706560

約数和(自身を除く): 12585655

約数列:

[1, 5, 109, 163, 545, 643, 815, 3215, 17767, 70087, 88835, 104809, 350435, 524045, 11424181, 57120905]

約数ペア:

[(1, 57120905), (5, 11424181), (109, 524045), (163, 350435), (545, 104809), (643, 88835), (815, 70087), (3215, 17767)]