64161380

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{3001}}^1$

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 134909880

約数和(自身を除く): 70748500

約数列:

[1, 2, 4, 5, 10, 20, 1069, 2138, 3001, 4276, 5345, 6002, 10690, 12004, 15005, 21380, 30010, 60020, 3208069, 6416138, 12832276, 16040345, 32080690, 64161380]

約数ペア:

[(1, 64161380), (2, 32080690), (4, 16040345), (5, 12832276), (10, 6416138), (20, 3208069), (1069, 60020), (2138, 30010), (3001, 21380), (4276, 15005), (5345, 12004), (6002, 10690)]