53881660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{941}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 129769920

約数和(自身を除く): 75888260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 941, 1636, 1882, 2045, 2863, 3764, 4090, 4705, 5726, 6587, 8180, 9410, 11452, 13174, 14315, 18820, 26348, 28630, 32935, 57260, 65870, 131740, 384869, 769738, 1539476, 1924345, 2694083, 3848690, 5388166, 7697380, 10776332, 13470415, 26940830, 53881660]

約数ペア:

[(1, 53881660), (2, 26940830), (4, 13470415), (5, 10776332), (7, 7697380), (10, 5388166), (14, 3848690), (20, 2694083), (28, 1924345), (35, 1539476), (70, 769738), (140, 384869), (409, 131740), (818, 65870), (941, 57260), (1636, 32935), (1882, 28630), (2045, 26348), (2863, 18820), (3764, 14315), (4090, 13174), (4705, 11452), (5726, 9410), (6587, 8180)]