88870780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{108379}}^1$

素因数の和:108429

約数の個数: 24

約数和(自身を含む): 191182320

約数和(自身を除く): 102311540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 108379, 216758, 433516, 541895, 1083790, 2167580, 4443539, 8887078, 17774156, 22217695, 44435390, 88870780]

約数ペア:

[(1, 88870780), (2, 44435390), (4, 22217695), (5, 17774156), (10, 8887078), (20, 4443539), (41, 2167580), (82, 1083790), (164, 541895), (205, 433516), (410, 216758), (820, 108379)]