10920880

素因数分解:

$2^4\times 5^1\times {\mathrm{136511}}^1$

素因数の和:136524

約数の個数: 20

約数和(自身を含む): 25391232

約数和(自身を除く): 14470352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 136511, 273022, 546044, 682555, 1092088, 1365110, 2184176, 2730220, 5460440, 10920880]

約数ペア:

[(1, 10920880), (2, 5460440), (4, 2730220), (5, 2184176), (8, 1365110), (10, 1092088), (16, 682555), (20, 546044), (40, 273022), (80, 136511)]