51806780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{63179}}^1$

素因数の和:63229

約数の個数: 24

約数和(自身を含む): 111449520

約数和(自身を除く): 59642740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 63179, 126358, 252716, 315895, 631790, 1263580, 2590339, 5180678, 10361356, 12951695, 25903390, 51806780]

約数ペア:

[(1, 51806780), (2, 25903390), (4, 12951695), (5, 10361356), (10, 5180678), (20, 2590339), (41, 1263580), (82, 631790), (164, 315895), (205, 252716), (410, 126358), (820, 63179)]