51169990

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{12511}}^1$

素因数の和:12927

約数の個数: 16

約数和(自身を含む): 92338560

約数和(自身を除く): 41168570

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 12511, 25022, 62555, 125110, 5116999, 10233998, 25584995, 51169990]

約数ペア:

[(1, 51169990), (2, 25584995), (5, 10233998), (10, 5116999), (409, 125110), (818, 62555), (2045, 25022), (4090, 12511)]