82581080

素因数分解:

$2^3\times 5^1\times {\mathrm{2064527}}^1$

素因数の和:2064538

約数の個数: 16

約数和(自身を含む): 185807520

約数和(自身を除く): 103226440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2064527, 4129054, 8258108, 10322635, 16516216, 20645270, 41290540, 82581080]

約数ペア:

[(1, 82581080), (2, 41290540), (4, 20645270), (5, 16516216), (8, 10322635), (10, 8258108), (20, 4129054), (40, 2064527)]