80406220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{37573}}^1$

素因数の和:37689

約数の個数: 24

約数和(自身を含む): 170435664

約数和(自身を除く): 90029444

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 37573, 75146, 150292, 187865, 375730, 751460, 4020311, 8040622, 16081244, 20101555, 40203110, 80406220]

約数ペア:

[(1, 80406220), (2, 40203110), (4, 20101555), (5, 16081244), (10, 8040622), (20, 4020311), (107, 751460), (214, 375730), (428, 187865), (535, 150292), (1070, 75146), (2140, 37573)]