80004380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{235307}}^1$

素因数の和:235333

約数の個数: 24

約数和(自身を含む): 177892848

約数和(自身を除く): 97888468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 235307, 470614, 941228, 1176535, 2353070, 4000219, 4706140, 8000438, 16000876, 20001095, 40002190, 80004380]

約数ペア:

[(1, 80004380), (2, 40002190), (4, 20001095), (5, 16000876), (10, 8000438), (17, 4706140), (20, 4000219), (34, 2353070), (68, 1176535), (85, 941228), (170, 470614), (340, 235307)]