42991660

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21283}}^1$

素因数の和:21393

約数の個数: 24

約数和(自身を含む): 91180656

約数和(自身を除く): 48188996

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 21283, 42566, 85132, 106415, 212830, 425660, 2149583, 4299166, 8598332, 10747915, 21495830, 42991660]

約数ペア:

[(1, 42991660), (2, 21495830), (4, 10747915), (5, 8598332), (10, 4299166), (20, 2149583), (101, 425660), (202, 212830), (404, 106415), (505, 85132), (1010, 42566), (2020, 21283)]