25528780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67181}}^1$

素因数の和:67209

約数の個数: 24

約数和(自身を含む): 56432880

約数和(自身を除く): 30904100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 67181, 134362, 268724, 335905, 671810, 1276439, 1343620, 2552878, 5105756, 6382195, 12764390, 25528780]

約数ペア:

[(1, 25528780), (2, 12764390), (4, 6382195), (5, 5105756), (10, 2552878), (19, 1343620), (20, 1276439), (38, 671810), (76, 335905), (95, 268724), (190, 134362), (380, 67181)]