81476000

素因数分解:

$2^5\times 5^3\times {\mathrm{20369}}^1$

素因数の和:20394

約数の個数: 48

約数和(自身を含む): 200196360

約数和(自身を除く): 118720360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 20369, 40738, 81476, 101845, 162952, 203690, 325904, 407380, 509225, 651808, 814760, 1018450, 1629520, 2036900, 2546125, 3259040, 4073800, 5092250, 8147600, 10184500, 16295200, 20369000, 40738000, 81476000]

約数ペア:

[(1, 81476000), (2, 40738000), (4, 20369000), (5, 16295200), (8, 10184500), (10, 8147600), (16, 5092250), (20, 4073800), (25, 3259040), (32, 2546125), (40, 2036900), (50, 1629520), (80, 1018450), (100, 814760), (125, 651808), (160, 509225), (200, 407380), (250, 325904), (400, 203690), (500, 162952), (800, 101845), (1000, 81476), (2000, 40738), (4000, 20369)]