8342500

素因数分解:

$2^2\times 5^4\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 18893952

約数和(自身を除く): 10551452

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 71, 94, 100, 125, 142, 188, 235, 250, 284, 355, 470, 500, 625, 710, 940, 1175, 1250, 1420, 1775, 2350, 2500, 3337, 3550, 4700, 5875, 6674, 7100, 8875, 11750, 13348, 16685, 17750, 23500, 29375, 33370, 35500, 44375, 58750, 66740, 83425, 88750, 117500, 166850, 177500, 333700, 417125, 834250, 1668500, 2085625, 4171250, 8342500]

約数ペア:

[(1, 8342500), (2, 4171250), (4, 2085625), (5, 1668500), (10, 834250), (20, 417125), (25, 333700), (47, 177500), (50, 166850), (71, 117500), (94, 88750), (100, 83425), (125, 66740), (142, 58750), (188, 44375), (235, 35500), (250, 33370), (284, 29375), (355, 23500), (470, 17750), (500, 16685), (625, 13348), (710, 11750), (940, 8875), (1175, 7100), (1250, 6674), (1420, 5875), (1775, 4700), (2350, 3550), (2500, 3337)]