56512280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128437}}^1$

素因数の和:128459

約数の個数: 32

約数和(自身を含む): 138713040

約数和(自身を除く): 82200760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128437, 256874, 513748, 642185, 1027496, 1284370, 1412807, 2568740, 2825614, 5137480, 5651228, 7064035, 11302456, 14128070, 28256140, 56512280]

約数ペア:

[(1, 56512280), (2, 28256140), (4, 14128070), (5, 11302456), (8, 7064035), (10, 5651228), (11, 5137480), (20, 2825614), (22, 2568740), (40, 1412807), (44, 1284370), (55, 1027496), (88, 642185), (110, 513748), (220, 256874), (440, 128437)]