68436820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{41227}}^1$

素因数の和:41319

約数の個数: 24

約数和(自身を含む): 145452384

約数和(自身を除く): 77015564

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 41227, 82454, 164908, 206135, 412270, 824540, 3421841, 6843682, 13687364, 17109205, 34218410, 68436820]

約数ペア:

[(1, 68436820), (2, 34218410), (4, 17109205), (5, 13687364), (10, 6843682), (20, 3421841), (83, 824540), (166, 412270), (332, 206135), (415, 164908), (830, 82454), (1660, 41227)]