20160100

素因数分解:

$2^2\times 5^2\times {\mathrm{449}}^2$

素因数の和:912

約数の個数: 27

約数和(自身を含む): 43845067

約数和(自身を除く): 23684967

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 449, 898, 1796, 2245, 4490, 8980, 11225, 22450, 44900, 201601, 403202, 806404, 1008005, 2016010, 4032020, 5040025, 10080050, 20160100]

約数ペア:

[(1, 20160100), (2, 10080050), (4, 5040025), (5, 4032020), (10, 2016010), (20, 1008005), (25, 806404), (50, 403202), (100, 201601), (449, 44900), (898, 22450), (1796, 11225), (2245, 8980)]