123414520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{34667}}^1$

素因数の和:34767

約数の個数: 32

約数和(自身を含む): 280810800

約数和(自身を除く): 157396280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 34667, 69334, 138668, 173335, 277336, 346670, 693340, 1386680, 3085363, 6170726, 12341452, 15426815, 24682904, 30853630, 61707260, 123414520]

約数ペア:

[(1, 123414520), (2, 61707260), (4, 30853630), (5, 24682904), (8, 15426815), (10, 12341452), (20, 6170726), (40, 3085363), (89, 1386680), (178, 693340), (356, 346670), (445, 277336), (712, 173335), (890, 138668), (1780, 69334), (3560, 34667)]