64321040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{114859}}^1$

素因数の和:114879

約数の個数: 40

約数和(自身を含む): 170911680

約数和(自身を除く): 106590640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 114859, 229718, 459436, 574295, 804013, 918872, 1148590, 1608026, 1837744, 2297180, 3216052, 4020065, 4594360, 6432104, 8040130, 9188720, 12864208, 16080260, 32160520, 64321040]

約数ペア:

[(1, 64321040), (2, 32160520), (4, 16080260), (5, 12864208), (7, 9188720), (8, 8040130), (10, 6432104), (14, 4594360), (16, 4020065), (20, 3216052), (28, 2297180), (35, 1837744), (40, 1608026), (56, 1148590), (70, 918872), (80, 804013), (112, 574295), (140, 459436), (280, 229718), (560, 114859)]