31909940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15797}}^1$

素因数の和:15907

約数の個数: 24

約数和(自身を含む): 67678632

約数和(自身を除く): 35768692

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 15797, 31594, 63188, 78985, 157970, 315940, 1595497, 3190994, 6381988, 7977485, 15954970, 31909940]

約数ペア:

[(1, 31909940), (2, 15954970), (4, 7977485), (5, 6381988), (10, 3190994), (20, 1595497), (101, 315940), (202, 157970), (404, 78985), (505, 63188), (1010, 31594), (2020, 15797)]