164090180

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{11411}}^1$

素因数の和:12139

約数の個数: 24

約数和(自身を含む): 345098880

約数和(自身を除く): 181008700

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 2876, 3595, 7190, 11411, 14380, 22822, 45644, 57055, 114110, 228220, 8204509, 16409018, 32818036, 41022545, 82045090, 164090180]

約数ペア:

[(1, 164090180), (2, 82045090), (4, 41022545), (5, 32818036), (10, 16409018), (20, 8204509), (719, 228220), (1438, 114110), (2876, 57055), (3595, 45644), (7190, 22822), (11411, 14380)]