82486840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18919}}^1$

素因数の和:19039

約数の個数: 32

約数和(自身を含む): 187308000

約数和(自身を除く): 104821160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 18919, 37838, 75676, 94595, 151352, 189190, 378380, 756760, 2062171, 4124342, 8248684, 10310855, 16497368, 20621710, 41243420, 82486840]

約数ペア:

[(1, 82486840), (2, 41243420), (4, 20621710), (5, 16497368), (8, 10310855), (10, 8248684), (20, 4124342), (40, 2062171), (109, 756760), (218, 378380), (436, 189190), (545, 151352), (872, 94595), (1090, 75676), (2180, 37838), (4360, 18919)]