90317480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{205267}}^1$

素因数の和:205289

約数の個数: 32

約数和(自身を含む): 221689440

約数和(自身を除く): 131371960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 205267, 410534, 821068, 1026335, 1642136, 2052670, 2257937, 4105340, 4515874, 8210680, 9031748, 11289685, 18063496, 22579370, 45158740, 90317480]

約数ペア:

[(1, 90317480), (2, 45158740), (4, 22579370), (5, 18063496), (8, 11289685), (10, 9031748), (11, 8210680), (20, 4515874), (22, 4105340), (40, 2257937), (44, 2052670), (55, 1642136), (88, 1026335), (110, 821068), (220, 410534), (440, 205267)]