82141880

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1487}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 185077440

約数和(自身を除く): 102935560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 1487, 2762, 2974, 5524, 5948, 6905, 7435, 11048, 11896, 13810, 14870, 27620, 29740, 55240, 59480, 2053547, 4107094, 8214188, 10267735, 16428376, 20535470, 41070940, 82141880]

約数ペア:

[(1, 82141880), (2, 41070940), (4, 20535470), (5, 16428376), (8, 10267735), (10, 8214188), (20, 4107094), (40, 2053547), (1381, 59480), (1487, 55240), (2762, 29740), (2974, 27620), (5524, 14870), (5948, 13810), (6905, 11896), (7435, 11048)]