82711240

素因数分解:

$2^3\times 5^1\times {\mathrm{2067781}}^1$

素因数の和:2067792

約数の個数: 16

約数和(自身を含む): 186100380

約数和(自身を除く): 103389140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2067781, 4135562, 8271124, 10338905, 16542248, 20677810, 41355620, 82711240]

約数ペア:

[(1, 82711240), (2, 41355620), (4, 20677810), (5, 16542248), (8, 10338905), (10, 8271124), (20, 4135562), (40, 2067781)]