68774540

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{11057}}^1$

素因数の和:11377

約数の個数: 24

約数和(自身を含む): 144904032

約数和(自身を除く): 76129492

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 11057, 22114, 44228, 55285, 110570, 221140, 3438727, 6877454, 13754908, 17193635, 34387270, 68774540]

約数ペア:

[(1, 68774540), (2, 34387270), (4, 17193635), (5, 13754908), (10, 6877454), (20, 3438727), (311, 221140), (622, 110570), (1244, 55285), (1555, 44228), (3110, 22114), (6220, 11057)]