82874860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{42719}}^1$

素因数の和:42825

約数の個数: 24

約数和(自身を含む): 175835520

約数和(自身を除く): 92960660

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 42719, 85438, 170876, 213595, 427190, 854380, 4143743, 8287486, 16574972, 20718715, 41437430, 82874860]

約数ペア:

[(1, 82874860), (2, 41437430), (4, 20718715), (5, 16574972), (10, 8287486), (20, 4143743), (97, 854380), (194, 427190), (388, 213595), (485, 170876), (970, 85438), (1940, 42719)]