31336720

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3803}}^1$

素因数の和:3919

約数の個数: 40

約数和(自身を含む): 73584576

約数和(自身を除く): 42247856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3803, 4120, 7606, 8240, 15212, 19015, 30424, 38030, 60848, 76060, 152120, 304240, 391709, 783418, 1566836, 1958545, 3133672, 3917090, 6267344, 7834180, 15668360, 31336720]

約数ペア:

[(1, 31336720), (2, 15668360), (4, 7834180), (5, 6267344), (8, 3917090), (10, 3133672), (16, 1958545), (20, 1566836), (40, 783418), (80, 391709), (103, 304240), (206, 152120), (412, 76060), (515, 60848), (824, 38030), (1030, 30424), (1648, 19015), (2060, 15212), (3803, 8240), (4120, 7606)]