26778800

素因数分解:

$2^4\times 5^2\times {\mathrm{66947}}^1$

素因数の和:66965

約数の個数: 30

約数和(自身を含む): 64337028

約数和(自身を除く): 37558228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 66947, 133894, 267788, 334735, 535576, 669470, 1071152, 1338940, 1673675, 2677880, 3347350, 5355760, 6694700, 13389400, 26778800]

約数ペア:

[(1, 26778800), (2, 13389400), (4, 6694700), (5, 5355760), (8, 3347350), (10, 2677880), (16, 1673675), (20, 1338940), (25, 1071152), (40, 669470), (50, 535576), (80, 334735), (100, 267788), (200, 133894), (400, 66947)]