2019332020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1\times {\mathrm{1979}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 4282407360

約数和(自身を除く): 2263075340

約数列:

[1, 2, 4, 5, 10, 20, 163, 313, 326, 626, 652, 815, 1252, 1565, 1630, 1979, 3130, 3260, 3958, 6260, 7916, 9895, 19790, 39580, 51019, 102038, 204076, 255095, 322577, 510190, 619427, 645154, 1020380, 1238854, 1290308, 1612885, 2477708, 3097135, 3225770, 6194270, 6451540, 12388540, 100966601, 201933202, 403866404, 504833005, 1009666010, 2019332020]

約数ペア:

[(1, 2019332020), (2, 1009666010), (4, 504833005), (5, 403866404), (10, 201933202), (20, 100966601), (163, 12388540), (313, 6451540), (326, 6194270), (626, 3225770), (652, 3097135), (815, 2477708), (1252, 1612885), (1565, 1290308), (1630, 1238854), (1979, 1020380), (3130, 645154), (3260, 619427), (3958, 510190), (6260, 322577), (7916, 255095), (9895, 204076), (19790, 102038), (39580, 51019)]