90996760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42923}}^1$

素因数の和:42987

約数の個数: 32

約数和(自身を含む): 208610640

約数和(自身を除く): 117613880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 42923, 85846, 171692, 214615, 343384, 429230, 858460, 1716920, 2274919, 4549838, 9099676, 11374595, 18199352, 22749190, 45498380, 90996760]

約数ペア:

[(1, 90996760), (2, 45498380), (4, 22749190), (5, 18199352), (8, 11374595), (10, 9099676), (20, 4549838), (40, 2274919), (53, 1716920), (106, 858460), (212, 429230), (265, 343384), (424, 214615), (530, 171692), (1060, 85846), (2120, 42923)]