195777620

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{17387}}^1$

素因数の和:17959

約数の個数: 24

約数和(自身を含む): 411886944

約数和(自身を除く): 216109324

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 5630, 11260, 17387, 34774, 69548, 86935, 173870, 347740, 9788881, 19577762, 39155524, 48944405, 97888810, 195777620]

約数ペア:

[(1, 195777620), (2, 97888810), (4, 48944405), (5, 39155524), (10, 19577762), (20, 9788881), (563, 347740), (1126, 173870), (2252, 86935), (2815, 69548), (5630, 34774), (11260, 17387)]