42548270

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 78287040

約数和(自身を除く): 35738770

約数列:

[1, 2, 5, 10, 101, 103, 202, 206, 409, 505, 515, 818, 1010, 1030, 2045, 4090, 10403, 20806, 41309, 42127, 52015, 82618, 84254, 104030, 206545, 210635, 413090, 421270, 4254827, 8509654, 21274135, 42548270]

約数ペア:

[(1, 42548270), (2, 21274135), (5, 8509654), (10, 4254827), (101, 421270), (103, 413090), (202, 210635), (206, 206545), (409, 104030), (505, 84254), (515, 82618), (818, 52015), (1010, 42127), (1030, 41309), (2045, 20806), (4090, 10403)]