17740720

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2153}}^1$

素因数の和:2269

約数の個数: 40

約数和(自身を含む): 41666976

約数和(自身を除く): 23926256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2153, 4120, 4306, 8240, 8612, 10765, 17224, 21530, 34448, 43060, 86120, 172240, 221759, 443518, 887036, 1108795, 1774072, 2217590, 3548144, 4435180, 8870360, 17740720]

約数ペア:

[(1, 17740720), (2, 8870360), (4, 4435180), (5, 3548144), (8, 2217590), (10, 1774072), (16, 1108795), (20, 887036), (40, 443518), (80, 221759), (103, 172240), (206, 86120), (412, 43060), (515, 34448), (824, 21530), (1030, 17224), (1648, 10765), (2060, 8612), (2153, 8240), (4120, 4306)]