39566660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{691}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 95329920

約数和(自身を除く): 55763260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 691, 818, 1382, 1636, 2045, 2764, 2863, 3455, 4090, 4837, 5726, 6910, 8180, 9674, 11452, 13820, 14315, 19348, 24185, 28630, 48370, 57260, 96740, 282619, 565238, 1130476, 1413095, 1978333, 2826190, 3956666, 5652380, 7913332, 9891665, 19783330, 39566660]

約数ペア:

[(1, 39566660), (2, 19783330), (4, 9891665), (5, 7913332), (7, 5652380), (10, 3956666), (14, 2826190), (20, 1978333), (28, 1413095), (35, 1130476), (70, 565238), (140, 282619), (409, 96740), (691, 57260), (818, 48370), (1382, 28630), (1636, 24185), (2045, 19348), (2764, 14315), (2863, 13820), (3455, 11452), (4090, 9674), (4837, 8180), (5726, 6910)]