80973320

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{18919}}^1$

素因数の和:19037

約数の個数: 32

約数和(自身を含む): 183902400

約数和(自身を除く): 102929080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 18919, 37838, 75676, 94595, 151352, 189190, 378380, 756760, 2024333, 4048666, 8097332, 10121665, 16194664, 20243330, 40486660, 80973320]

約数ペア:

[(1, 80973320), (2, 40486660), (4, 20243330), (5, 16194664), (8, 10121665), (10, 8097332), (20, 4048666), (40, 2024333), (107, 756760), (214, 378380), (428, 189190), (535, 151352), (856, 94595), (1070, 75676), (2140, 37838), (4280, 18919)]