2056240

素因数分解:

$2^4\times 5^1\times {\mathrm{25703}}^1$

素因数の和:25716

約数の個数: 20

約数和(自身を含む): 4780944

約数和(自身を除く): 2724704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25703, 51406, 102812, 128515, 205624, 257030, 411248, 514060, 1028120, 2056240]

約数ペア:

[(1, 2056240), (2, 1028120), (4, 514060), (5, 411248), (8, 257030), (10, 205624), (16, 128515), (20, 102812), (40, 51406), (80, 25703)]