20160487840

素因数分解:

$2^5\times 5^1\times {\mathrm{126003049}}^1$

素因数の和:126003064

約数の個数: 24

約数和(自身を含む): 47629152900

約数和(自身を除く): 27468665060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126003049, 252006098, 504012196, 630015245, 1008024392, 1260030490, 2016048784, 2520060980, 4032097568, 5040121960, 10080243920, 20160487840]

約数ペア:

[(1, 20160487840), (2, 10080243920), (4, 5040121960), (5, 4032097568), (8, 2520060980), (10, 2016048784), (16, 1260030490), (20, 1008024392), (32, 630015245), (40, 504012196), (80, 252006098), (160, 126003049)]