85501940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{21701}}^1$

素因数の和:21907

約数の個数: 24

約数和(自身を含む): 180473832

約数和(自身を除く): 94971892

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 21701, 43402, 86804, 108505, 217010, 434020, 4275097, 8550194, 17100388, 21375485, 42750970, 85501940]

約数ペア:

[(1, 85501940), (2, 42750970), (4, 21375485), (5, 17100388), (10, 8550194), (20, 4275097), (197, 434020), (394, 217010), (788, 108505), (985, 86804), (1970, 43402), (3940, 21701)]