40738000

素因数分解:

$2^4\times 5^3\times {\mathrm{20369}}^1$

素因数の和:20392

約数の個数: 40

約数和(自身を含む): 98509320

約数和(自身を除く): 57771320

約数列:

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

約数ペア:

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