90166840

素因数分解:

$2^3\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{1709}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 203148000

約数和(自身を除く): 112981160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1319, 1709, 2638, 3418, 5276, 6595, 6836, 8545, 10552, 13190, 13672, 17090, 26380, 34180, 52760, 68360, 2254171, 4508342, 9016684, 11270855, 18033368, 22541710, 45083420, 90166840]

約数ペア:

[(1, 90166840), (2, 45083420), (4, 22541710), (5, 18033368), (8, 11270855), (10, 9016684), (20, 4508342), (40, 2254171), (1319, 68360), (1709, 52760), (2638, 34180), (3418, 26380), (5276, 17090), (6595, 13672), (6836, 13190), (8545, 10552)]