2016697780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1\times {\mathrm{1931}}^1$

素因数の和:2680

約数の個数: 48

約数和(自身を含む): 4297386240

約数和(自身を除く): 2280688460

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 661, 790, 1322, 1580, 1931, 2644, 3305, 3862, 6610, 7724, 9655, 13220, 19310, 38620, 52219, 104438, 152549, 208876, 261095, 305098, 522190, 610196, 762745, 1044380, 1276391, 1525490, 2552782, 3050980, 5105564, 6381955, 12763910, 25527820, 100834889, 201669778, 403339556, 504174445, 1008348890, 2016697780]

約数ペア:

[(1, 2016697780), (2, 1008348890), (4, 504174445), (5, 403339556), (10, 201669778), (20, 100834889), (79, 25527820), (158, 12763910), (316, 6381955), (395, 5105564), (661, 3050980), (790, 2552782), (1322, 1525490), (1580, 1276391), (1931, 1044380), (2644, 762745), (3305, 610196), (3862, 522190), (6610, 305098), (7724, 261095), (9655, 208876), (13220, 152549), (19310, 104438), (38620, 52219)]