6991280

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 16365024

約数和(自身を除く): 9373744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 311, 562, 622, 1124, 1244, 1405, 1555, 2248, 2488, 2810, 3110, 4496, 4976, 5620, 6220, 11240, 12440, 22480, 24880, 87391, 174782, 349564, 436955, 699128, 873910, 1398256, 1747820, 3495640, 6991280]

約数ペア:

[(1, 6991280), (2, 3495640), (4, 1747820), (5, 1398256), (8, 873910), (10, 699128), (16, 436955), (20, 349564), (40, 174782), (80, 87391), (281, 24880), (311, 22480), (562, 12440), (622, 11240), (1124, 6220), (1244, 5620), (1405, 4976), (1555, 4496), (2248, 3110), (2488, 2810)]