282337480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{172157}}^1$

素因数の和:172209

約数の個数: 32

約数和(自身を含む): 650757240

約数和(自身を除く): 368419760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 172157, 344314, 688628, 860785, 1377256, 1721570, 3443140, 6886280, 7058437, 14116874, 28233748, 35292185, 56467496, 70584370, 141168740, 282337480]

約数ペア:

[(1, 282337480), (2, 141168740), (4, 70584370), (5, 56467496), (8, 35292185), (10, 28233748), (20, 14116874), (40, 7058437), (41, 6886280), (82, 3443140), (164, 1721570), (205, 1377256), (328, 860785), (410, 688628), (820, 344314), (1640, 172157)]