1987600

素因数分解:

$2^4\times 5^2\times {\mathrm{4969}}^1$

素因数の和:4987

約数の個数: 30

約数和(自身を含む): 4776170

約数和(自身を除く): 2788570

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4969, 9938, 19876, 24845, 39752, 49690, 79504, 99380, 124225, 198760, 248450, 397520, 496900, 993800, 1987600]

約数ペア:

[(1, 1987600), (2, 993800), (4, 496900), (5, 397520), (8, 248450), (10, 198760), (16, 124225), (20, 99380), (25, 79504), (40, 49690), (50, 39752), (80, 24845), (100, 19876), (200, 9938), (400, 4969)]