12349640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3469}}^1$

素因数の和:3569

約数の個数: 32

約数和(自身を含む): 28107000

約数和(自身を除く): 15757360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3469, 3560, 6938, 13876, 17345, 27752, 34690, 69380, 138760, 308741, 617482, 1234964, 1543705, 2469928, 3087410, 6174820, 12349640]

約数ペア:

[(1, 12349640), (2, 6174820), (4, 3087410), (5, 2469928), (8, 1543705), (10, 1234964), (20, 617482), (40, 308741), (89, 138760), (178, 69380), (356, 34690), (445, 27752), (712, 17345), (890, 13876), (1780, 6938), (3469, 3560)]