2040760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 4634640

約数和(自身を除く): 2593880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 313, 326, 626, 652, 815, 1252, 1304, 1565, 1630, 2504, 3130, 3260, 6260, 6520, 12520, 51019, 102038, 204076, 255095, 408152, 510190, 1020380, 2040760]

約数ペア:

[(1, 2040760), (2, 1020380), (4, 510190), (5, 408152), (8, 255095), (10, 204076), (20, 102038), (40, 51019), (163, 12520), (313, 6520), (326, 6260), (626, 3260), (652, 3130), (815, 2504), (1252, 1630), (1304, 1565)]