28621040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51109}}^1$

素因数の和:51129

約数の個数: 40

約数和(自身を含む): 76051680

約数和(自身を除く): 47430640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51109, 102218, 204436, 255545, 357763, 408872, 511090, 715526, 817744, 1022180, 1431052, 1788815, 2044360, 2862104, 3577630, 4088720, 5724208, 7155260, 14310520, 28621040]

約数ペア:

[(1, 28621040), (2, 14310520), (4, 7155260), (5, 5724208), (7, 4088720), (8, 3577630), (10, 2862104), (14, 2044360), (16, 1788815), (20, 1431052), (28, 1022180), (35, 817744), (40, 715526), (56, 511090), (70, 408872), (80, 357763), (112, 255545), (140, 204436), (280, 102218), (560, 51109)]