15916040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{56843}}^1$

素因数の和:56861

約数の個数: 32

約数和(自身を含む): 40927680

約数和(自身を除く): 25011640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 56843, 113686, 227372, 284215, 397901, 454744, 568430, 795802, 1136860, 1591604, 1989505, 2273720, 3183208, 3979010, 7958020, 15916040]

約数ペア:

[(1, 15916040), (2, 7958020), (4, 3979010), (5, 3183208), (7, 2273720), (8, 1989505), (10, 1591604), (14, 1136860), (20, 795802), (28, 568430), (35, 454744), (40, 397901), (56, 284215), (70, 227372), (140, 113686), (280, 56843)]