51721340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1009}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 119115360

約数和(自身を除く): 67394020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 233, 466, 932, 1009, 1165, 2018, 2330, 2563, 4036, 4660, 5045, 5126, 10090, 10252, 11099, 12815, 20180, 22198, 25630, 44396, 51260, 55495, 110990, 221980, 235097, 470194, 940388, 1175485, 2350970, 2586067, 4701940, 5172134, 10344268, 12930335, 25860670, 51721340]

約数ペア:

[(1, 51721340), (2, 25860670), (4, 12930335), (5, 10344268), (10, 5172134), (11, 4701940), (20, 2586067), (22, 2350970), (44, 1175485), (55, 940388), (110, 470194), (220, 235097), (233, 221980), (466, 110990), (932, 55495), (1009, 51260), (1165, 44396), (2018, 25630), (2330, 22198), (2563, 20180), (4036, 12815), (4660, 11099), (5045, 10252), (5126, 10090)]