78698740

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{4129}}^1$

素因数の和:5091

約数の個数: 24

約数和(自身を含む): 165480840

約数和(自身を除く): 86782100

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4129, 4765, 8258, 9530, 16516, 19060, 20645, 41290, 82580, 3934937, 7869874, 15739748, 19674685, 39349370, 78698740]

約数ペア:

[(1, 78698740), (2, 39349370), (4, 19674685), (5, 15739748), (10, 7869874), (20, 3934937), (953, 82580), (1906, 41290), (3812, 20645), (4129, 19060), (4765, 16516), (8258, 9530)]