8007880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1871}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 18195840

約数和(自身を除く): 10187960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 1871, 2140, 3742, 4280, 7484, 9355, 14968, 18710, 37420, 74840, 200197, 400394, 800788, 1000985, 1601576, 2001970, 4003940, 8007880]

約数ペア:

[(1, 8007880), (2, 4003940), (4, 2001970), (5, 1601576), (8, 1000985), (10, 800788), (20, 400394), (40, 200197), (107, 74840), (214, 37420), (428, 18710), (535, 14968), (856, 9355), (1070, 7484), (1871, 4280), (2140, 3742)]