61191580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71153}}^1$

素因数の和:71205

約数の個数: 24

約数和(自身を含む): 131492592

約数和(自身を除く): 70301012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 71153, 142306, 284612, 355765, 711530, 1423060, 3059579, 6119158, 12238316, 15297895, 30595790, 61191580]

約数ペア:

[(1, 61191580), (2, 30595790), (4, 15297895), (5, 12238316), (10, 6119158), (20, 3059579), (43, 1423060), (86, 711530), (172, 355765), (215, 284612), (430, 142306), (860, 71153)]