664179910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{39511}}^1$

素因数の和:39600

約数の個数: 24

約数和(自身を含む): 1225425168

約数和(自身を除く): 561245258

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1681, 3362, 8405, 16810, 39511, 79022, 197555, 395110, 1619951, 3239902, 8099755, 16199510, 66417991, 132835982, 332089955, 664179910]

約数ペア:

[(1, 664179910), (2, 332089955), (5, 132835982), (10, 66417991), (41, 16199510), (82, 8099755), (205, 3239902), (410, 1619951), (1681, 395110), (3362, 197555), (8405, 79022), (16810, 39511)]