18808144040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67171943}}^1$

素因数の和:67171961

約数の個数: 32

約数和(自身を含む): 48363799680

約数和(自身を除く): 29555655640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67171943, 134343886, 268687772, 335859715, 470203601, 537375544, 671719430, 940407202, 1343438860, 1880814404, 2351018005, 2686877720, 3761628808, 4702036010, 9404072020, 18808144040]

約数ペア:

[(1, 18808144040), (2, 9404072020), (4, 4702036010), (5, 3761628808), (7, 2686877720), (8, 2351018005), (10, 1880814404), (14, 1343438860), (20, 940407202), (28, 671719430), (35, 537375544), (40, 470203601), (56, 335859715), (70, 268687772), (140, 134343886), (280, 67171943)]