121680880

素因数分解:

$2^4\times 5^1\times {\mathrm{1521011}}^1$

素因数の和:1521024

約数の個数: 20

約数和(自身を含む): 282908232

約数和(自身を除く): 161227352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1521011, 3042022, 6084044, 7605055, 12168088, 15210110, 24336176, 30420220, 60840440, 121680880]

約数ペア:

[(1, 121680880), (2, 60840440), (4, 30420220), (5, 24336176), (8, 15210110), (10, 12168088), (16, 7605055), (20, 6084044), (40, 3042022), (80, 1521011)]