7802540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20533}}^1$

素因数の和:20561

約数の個数: 24

約数和(自身を含む): 17248560

約数和(自身を除く): 9446020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20533, 41066, 82132, 102665, 205330, 390127, 410660, 780254, 1560508, 1950635, 3901270, 7802540]

約数ペア:

[(1, 7802540), (2, 3901270), (4, 1950635), (5, 1560508), (10, 780254), (19, 410660), (20, 390127), (38, 205330), (76, 102665), (95, 82132), (190, 41066), (380, 20533)]