61040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1$

素因数の和:129

約数の個数: 40

約数和(自身を含む): 163680

約数和(自身を除く): 102640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3815, 4360, 6104, 7630, 8720, 12208, 15260, 30520, 61040]

約数ペア:

[(1, 61040), (2, 30520), (4, 15260), (5, 12208), (7, 8720), (8, 7630), (10, 6104), (14, 4360), (16, 3815), (20, 3052), (28, 2180), (35, 1744), (40, 1526), (56, 1090), (70, 872), (80, 763), (109, 560), (112, 545), (140, 436), (218, 280)]