81236950

素因数分解:

$2^1\times 5^2\times {\mathrm{439}}^1\times {\mathrm{3701}}^1$

素因数の和:4152

約数の個数: 24

約数和(自身を含む): 151485840

約数和(自身を除く): 70248890

約数列:

[1, 2, 5, 10, 25, 50, 439, 878, 2195, 3701, 4390, 7402, 10975, 18505, 21950, 37010, 92525, 185050, 1624739, 3249478, 8123695, 16247390, 40618475, 81236950]

約数ペア:

[(1, 81236950), (2, 40618475), (5, 16247390), (10, 8123695), (25, 3249478), (50, 1624739), (439, 185050), (878, 92525), (2195, 37010), (3701, 21950), (4390, 18505), (7402, 10975)]