81769180

素因数分解:

$2^2\times 5^1\times {\mathrm{2017}}^1\times {\mathrm{2027}}^1$

素因数の和:4053

約数の個数: 24

約数和(自身を含む): 171885168

約数和(自身を除く): 90115988

約数列:

[1, 2, 4, 5, 10, 20, 2017, 2027, 4034, 4054, 8068, 8108, 10085, 10135, 20170, 20270, 40340, 40540, 4088459, 8176918, 16353836, 20442295, 40884590, 81769180]

約数ペア:

[(1, 81769180), (2, 40884590), (4, 20442295), (5, 16353836), (10, 8176918), (20, 4088459), (2017, 40540), (2027, 40340), (4034, 20270), (4054, 20170), (8068, 10135), (8108, 10085)]