222080240

素因数分解:

$2^4\times 5^1\times {\mathrm{2776003}}^1$

素因数の和:2776016

約数の個数: 20

約数和(自身を含む): 516336744

約数和(自身を除く): 294256504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2776003, 5552006, 11104012, 13880015, 22208024, 27760030, 44416048, 55520060, 111040120, 222080240]

約数ペア:

[(1, 222080240), (2, 111040120), (4, 55520060), (5, 44416048), (8, 27760030), (10, 22208024), (16, 13880015), (20, 11104012), (40, 5552006), (80, 2776003)]