20166401960

素因数分解:

$2^3\times 5^1\times {\mathrm{504160049}}^1$

素因数の和:504160060

約数の個数: 16

約数和(自身を含む): 45374404500

約数和(自身を除く): 25208002540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504160049, 1008320098, 2016640196, 2520800245, 4033280392, 5041600490, 10083200980, 20166401960]

約数ペア:

[(1, 20166401960), (2, 10083200980), (4, 5041600490), (5, 4033280392), (8, 2520800245), (10, 2016640196), (20, 1008320098), (40, 504160049)]