2008584520

素因数分解:

$2^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{60719}}^1$

素因数の和:61557

約数の個数: 32

約数和(自身を含む): 4524854400

約数和(自身を除く): 2516269880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 827, 1654, 3308, 4135, 6616, 8270, 16540, 33080, 60719, 121438, 242876, 303595, 485752, 607190, 1214380, 2428760, 50214613, 100429226, 200858452, 251073065, 401716904, 502146130, 1004292260, 2008584520]

約数ペア:

[(1, 2008584520), (2, 1004292260), (4, 502146130), (5, 401716904), (8, 251073065), (10, 200858452), (20, 100429226), (40, 50214613), (827, 2428760), (1654, 1214380), (3308, 607190), (4135, 485752), (6616, 303595), (8270, 242876), (16540, 121438), (33080, 60719)]