2075540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 4393032

約数和(自身を除く): 2317492

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 661, 785, 1322, 1570, 2644, 3140, 3305, 6610, 13220, 103777, 207554, 415108, 518885, 1037770, 2075540]

約数ペア:

[(1, 2075540), (2, 1037770), (4, 518885), (5, 415108), (10, 207554), (20, 103777), (157, 13220), (314, 6610), (628, 3305), (661, 3140), (785, 2644), (1322, 1570)]