2478020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5419

約数の個数: 24

約数和(自身を含む): 5431104

約数和(自身を除く): 2953084

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 5387, 10774, 21548, 26935, 53870, 107740, 123901, 247802, 495604, 619505, 1239010, 2478020]

約数ペア:

[(1, 2478020), (2, 1239010), (4, 619505), (5, 495604), (10, 247802), (20, 123901), (23, 107740), (46, 53870), (92, 26935), (115, 21548), (230, 10774), (460, 5387)]