4003940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1871}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 8491392

約数和(自身を除く): 4487452

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 1871, 2140, 3742, 7484, 9355, 18710, 37420, 200197, 400394, 800788, 1000985, 2001970, 4003940]

約数ペア:

[(1, 4003940), (2, 2001970), (4, 1000985), (5, 800788), (10, 400394), (20, 200197), (107, 37420), (214, 18710), (428, 9355), (535, 7484), (1070, 3742), (1871, 2140)]