108820240

素因数分解:

$2^4\times 5^1\times {\mathrm{1360253}}^1$

素因数の和:1360266

約数の個数: 20

約数和(自身を含む): 253007244

約数和(自身を除く): 144187004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1360253, 2720506, 5441012, 6801265, 10882024, 13602530, 21764048, 27205060, 54410120, 108820240]

約数ペア:

[(1, 108820240), (2, 54410120), (4, 27205060), (5, 21764048), (8, 13602530), (10, 10882024), (16, 6801265), (20, 5441012), (40, 2720506), (80, 1360253)]