2100061220

素因数分解:

$2^2\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{37649}}^1$

素因数の和:40447

約数の個数: 24

約数和(自身を含む): 4411827000

約数和(自身を除く): 2311765780

約数列:

[1, 2, 4, 5, 10, 20, 2789, 5578, 11156, 13945, 27890, 37649, 55780, 75298, 150596, 188245, 376490, 752980, 105003061, 210006122, 420012244, 525015305, 1050030610, 2100061220]

約数ペア:

[(1, 2100061220), (2, 1050030610), (4, 525015305), (5, 420012244), (10, 210006122), (20, 105003061), (2789, 752980), (5578, 376490), (11156, 188245), (13945, 150596), (27890, 75298), (37649, 55780)]