20772500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1187}}^1$

素因数の和:1218

約数の個数: 60

約数和(自身を含む): 51958368

約数和(自身を除く): 31185868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1187, 1250, 1750, 2374, 2500, 3500, 4375, 4748, 5935, 8309, 8750, 11870, 16618, 17500, 23740, 29675, 33236, 41545, 59350, 83090, 118700, 148375, 166180, 207725, 296750, 415450, 593500, 741875, 830900, 1038625, 1483750, 2077250, 2967500, 4154500, 5193125, 10386250, 20772500]

約数ペア:

[(1, 20772500), (2, 10386250), (4, 5193125), (5, 4154500), (7, 2967500), (10, 2077250), (14, 1483750), (20, 1038625), (25, 830900), (28, 741875), (35, 593500), (50, 415450), (70, 296750), (100, 207725), (125, 166180), (140, 148375), (175, 118700), (250, 83090), (350, 59350), (500, 41545), (625, 33236), (700, 29675), (875, 23740), (1187, 17500), (1250, 16618), (1750, 11870), (2374, 8750), (2500, 8309), (3500, 5935), (4375, 4748)]