83821580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{43207}}^1$

素因数の和:43313

約数の個数: 24

約数和(自身を含む): 177844128

約数和(自身を除く): 94022548

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 43207, 86414, 172828, 216035, 432070, 864140, 4191079, 8382158, 16764316, 20955395, 41910790, 83821580]

約数ペア:

[(1, 83821580), (2, 41910790), (4, 20955395), (5, 16764316), (10, 8382158), (20, 4191079), (97, 864140), (194, 432070), (388, 216035), (485, 172828), (970, 86414), (1940, 43207)]