1022800

素因数分解:

$2^4\times 5^2\times {\mathrm{2557}}^1$

素因数の和:2575

約数の個数: 30

約数和(自身を含む): 2458238

約数和(自身を除く): 1435438

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2557, 5114, 10228, 12785, 20456, 25570, 40912, 51140, 63925, 102280, 127850, 204560, 255700, 511400, 1022800]

約数ペア:

[(1, 1022800), (2, 511400), (4, 255700), (5, 204560), (8, 127850), (10, 102280), (16, 63925), (20, 51140), (25, 40912), (40, 25570), (50, 20456), (80, 12785), (100, 10228), (200, 5114), (400, 2557)]