51289580

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{15733}}^1$

素因数の和:15905

約数の個数: 24

約数和(自身を含む): 108375792

約数和(自身を除く): 57086212

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 15733, 31466, 62932, 78665, 157330, 314660, 2564479, 5128958, 10257916, 12822395, 25644790, 51289580]

約数ペア:

[(1, 51289580), (2, 25644790), (4, 12822395), (5, 10257916), (10, 5128958), (20, 2564479), (163, 314660), (326, 157330), (652, 78665), (815, 62932), (1630, 31466), (3260, 15733)]