2008520

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 4563000

約数和(自身を除く): 2554480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 337, 596, 674, 745, 1192, 1348, 1490, 1685, 2696, 2980, 3370, 5960, 6740, 13480, 50213, 100426, 200852, 251065, 401704, 502130, 1004260, 2008520]

約数ペア:

[(1, 2008520), (2, 1004260), (4, 502130), (5, 401704), (8, 251065), (10, 200852), (20, 100426), (40, 50213), (149, 13480), (298, 6740), (337, 5960), (596, 3370), (674, 2980), (745, 2696), (1192, 1685), (1348, 1490)]