51284780

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{5711}}^1$

素因数の和:6169

約数の個数: 24

約数和(自身を含む): 107956800

約数和(自身を除く): 56672020

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 5711, 8980, 11422, 22844, 28555, 57110, 114220, 2564239, 5128478, 10256956, 12821195, 25642390, 51284780]

約数ペア:

[(1, 51284780), (2, 25642390), (4, 12821195), (5, 10256956), (10, 5128478), (20, 2564239), (449, 114220), (898, 57110), (1796, 28555), (2245, 22844), (4490, 11422), (5711, 8980)]