201615940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325187}}^1$

素因数の和:325227

約数の個数: 24

約数和(自身を含む): 437052672

約数和(自身を除く): 235436732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325187, 650374, 1300748, 1625935, 3251870, 6503740, 10080797, 20161594, 40323188, 50403985, 100807970, 201615940]

約数ペア:

[(1, 201615940), (2, 100807970), (4, 50403985), (5, 40323188), (10, 20161594), (20, 10080797), (31, 6503740), (62, 3251870), (124, 1625935), (155, 1300748), (310, 650374), (620, 325187)]