86806660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71153}}^1$

素因数の和:71223

約数の個数: 24

約数和(自身を含む): 185285016

約数和(自身を除く): 98478356

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 71153, 142306, 284612, 355765, 711530, 1423060, 4340333, 8680666, 17361332, 21701665, 43403330, 86806660]

約数ペア:

[(1, 86806660), (2, 43403330), (4, 21701665), (5, 17361332), (10, 8680666), (20, 4340333), (61, 1423060), (122, 711530), (244, 355765), (305, 284612), (610, 142306), (1220, 71153)]