8380760

素因数分解:

$2^3\times 5^1\times {\mathrm{209519}}^1$

素因数の和:209530

約数の個数: 16

約数和(自身を含む): 18856800

約数和(自身を除く): 10476040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 209519, 419038, 838076, 1047595, 1676152, 2095190, 4190380, 8380760]

約数ペア:

[(1, 8380760), (2, 4190380), (4, 2095190), (5, 1676152), (8, 1047595), (10, 838076), (20, 419038), (40, 209519)]