40299460

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1997}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 84755160

約数和(自身を除く): 44455700

約数列:

[1, 2, 4, 5, 10, 20, 1009, 1997, 2018, 3994, 4036, 5045, 7988, 9985, 10090, 19970, 20180, 39940, 2014973, 4029946, 8059892, 10074865, 20149730, 40299460]

約数ペア:

[(1, 40299460), (2, 20149730), (4, 10074865), (5, 8059892), (10, 4029946), (20, 2014973), (1009, 39940), (1997, 20180), (2018, 19970), (3994, 10090), (4036, 9985), (5045, 7988)]