68711560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19301}}^1$

素因数の和:19401

約数の個数: 32

約数和(自身を含む): 156346200

約数和(自身を除く): 87634640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 19301, 38602, 77204, 96505, 154408, 193010, 386020, 772040, 1717789, 3435578, 6871156, 8588945, 13742312, 17177890, 34355780, 68711560]

約数ペア:

[(1, 68711560), (2, 34355780), (4, 17177890), (5, 13742312), (8, 8588945), (10, 6871156), (20, 3435578), (40, 1717789), (89, 772040), (178, 386020), (356, 193010), (445, 154408), (712, 96505), (890, 77204), (1780, 38602), (3560, 19301)]