78800740

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{6491}}^1$

素因数の和:7107

約数の個数: 24

約数和(自身を含む): 165779712

約数和(自身を除く): 86978972

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 2428, 3035, 6070, 6491, 12140, 12982, 25964, 32455, 64910, 129820, 3940037, 7880074, 15760148, 19700185, 39400370, 78800740]

約数ペア:

[(1, 78800740), (2, 39400370), (4, 19700185), (5, 15760148), (10, 7880074), (20, 3940037), (607, 129820), (1214, 64910), (2428, 32455), (3035, 25964), (6070, 12982), (6491, 12140)]