7810040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{27893}}^1$

素因数の和:27911

約数の個数: 32

約数和(自身を含む): 20083680

約数和(自身を除く): 12273640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 27893, 55786, 111572, 139465, 195251, 223144, 278930, 390502, 557860, 781004, 976255, 1115720, 1562008, 1952510, 3905020, 7810040]

約数ペア:

[(1, 7810040), (2, 3905020), (4, 1952510), (5, 1562008), (7, 1115720), (8, 976255), (10, 781004), (14, 557860), (20, 390502), (28, 278930), (35, 223144), (40, 195251), (56, 139465), (70, 111572), (140, 55786), (280, 27893)]