81683060

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{21383}}^1$

素因数の和:21583

約数の個数: 24

約数和(自身を含む): 172440576

約数和(自身を除く): 90757516

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 21383, 42766, 85532, 106915, 213830, 427660, 4084153, 8168306, 16336612, 20420765, 40841530, 81683060]

約数ペア:

[(1, 81683060), (2, 40841530), (4, 20420765), (5, 16336612), (10, 8168306), (20, 4084153), (191, 427660), (382, 213830), (764, 106915), (955, 85532), (1910, 42766), (3820, 21383)]