80076760

素因数分解:

$2^3\times 5^1\times {\mathrm{2001919}}^1$

素因数の和:2001930

約数の個数: 16

約数和(自身を含む): 180172800

約数和(自身を除く): 100096040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2001919, 4003838, 8007676, 10009595, 16015352, 20019190, 40038380, 80076760]

約数ペア:

[(1, 80076760), (2, 40038380), (4, 20019190), (5, 16015352), (8, 10009595), (10, 8007676), (20, 4003838), (40, 2001919)]