56780180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{28109}}^1$

素因数の和:28219

約数の個数: 24

約数和(自身を含む): 120423240

約数和(自身を除く): 63643060

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 28109, 56218, 112436, 140545, 281090, 562180, 2839009, 5678018, 11356036, 14195045, 28390090, 56780180]

約数ペア:

[(1, 56780180), (2, 28390090), (4, 14195045), (5, 11356036), (10, 5678018), (20, 2839009), (101, 562180), (202, 281090), (404, 140545), (505, 112436), (1010, 56218), (2020, 28109)]