123539560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{75329}}^1$

素因数の和:75381

約数の個数: 32

約数和(自身を含む): 284747400

約数和(自身を除く): 161207840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 75329, 150658, 301316, 376645, 602632, 753290, 1506580, 3013160, 3088489, 6176978, 12353956, 15442445, 24707912, 30884890, 61769780, 123539560]

約数ペア:

[(1, 123539560), (2, 61769780), (4, 30884890), (5, 24707912), (8, 15442445), (10, 12353956), (20, 6176978), (40, 3088489), (41, 3013160), (82, 1506580), (164, 753290), (205, 602632), (328, 376645), (410, 301316), (820, 150658), (1640, 75329)]