51465620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{15787}}^1$

素因数の和:15959

約数の個数: 24

約数和(自身を含む): 108747744

約数和(自身を除く): 57282124

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 15787, 31574, 63148, 78935, 157870, 315740, 2573281, 5146562, 10293124, 12866405, 25732810, 51465620]

約数ペア:

[(1, 51465620), (2, 25732810), (4, 12866405), (5, 10293124), (10, 5146562), (20, 2573281), (163, 315740), (326, 157870), (652, 78935), (815, 63148), (1630, 31574), (3260, 15787)]