31159220

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2143}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 65554944

約数和(自身を除く): 34395724

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2143, 2908, 3635, 4286, 7270, 8572, 10715, 14540, 21430, 42860, 1557961, 3115922, 6231844, 7789805, 15579610, 31159220]

約数ペア:

[(1, 31159220), (2, 15579610), (4, 7789805), (5, 6231844), (10, 3115922), (20, 1557961), (727, 42860), (1454, 21430), (2143, 14540), (2908, 10715), (3635, 8572), (4286, 7270)]