8907940

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1063}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 18768960

約数和(自身を除く): 9861020

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1063, 1676, 2095, 2126, 4190, 4252, 5315, 8380, 10630, 21260, 445397, 890794, 1781588, 2226985, 4453970, 8907940]

約数ペア:

[(1, 8907940), (2, 4453970), (4, 2226985), (5, 1781588), (10, 890794), (20, 445397), (419, 21260), (838, 10630), (1063, 8380), (1676, 5315), (2095, 4252), (2126, 4190)]