80016940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{108131}}^1$

素因数の和:108177

約数の個数: 24

約数和(自身を含む): 172578672

約数和(自身を除く): 92561732

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 108131, 216262, 432524, 540655, 1081310, 2162620, 4000847, 8001694, 16003388, 20004235, 40008470, 80016940]

約数ペア:

[(1, 80016940), (2, 40008470), (4, 20004235), (5, 16003388), (10, 8001694), (20, 4000847), (37, 2162620), (74, 1081310), (148, 540655), (185, 432524), (370, 216262), (740, 108131)]