16209340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115781}}^1$

素因数の和:115797

約数の個数: 24

約数和(自身を含む): 38902752

約数和(自身を除く): 22693412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115781, 231562, 463124, 578905, 810467, 1157810, 1620934, 2315620, 3241868, 4052335, 8104670, 16209340]

約数ペア:

[(1, 16209340), (2, 8104670), (4, 4052335), (5, 3241868), (7, 2315620), (10, 1620934), (14, 1157810), (20, 810467), (28, 578905), (35, 463124), (70, 231562), (140, 115781)]