68590520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19267}}^1$

素因数の和:19367

約数の個数: 32

約数和(自身を含む): 156070800

約数和(自身を除く): 87480280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 19267, 38534, 77068, 96335, 154136, 192670, 385340, 770680, 1714763, 3429526, 6859052, 8573815, 13718104, 17147630, 34295260, 68590520]

約数ペア:

[(1, 68590520), (2, 34295260), (4, 17147630), (5, 13718104), (8, 8573815), (10, 6859052), (20, 3429526), (40, 1714763), (89, 770680), (178, 385340), (356, 192670), (445, 154136), (712, 96335), (890, 77068), (1780, 38534), (3560, 19267)]