7931828080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9013441}}^1$

素因数の和:9013465

約数の個数: 40

約数和(自身を含む): 20118002544

約数和(自身を除く): 12186174464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9013441, 18026882, 36053764, 45067205, 72107528, 90134410, 99147851, 144215056, 180268820, 198295702, 360537640, 396591404, 495739255, 721075280, 793182808, 991478510, 1586365616, 1982957020, 3965914040, 7931828080]

約数ペア:

[(1, 7931828080), (2, 3965914040), (4, 1982957020), (5, 1586365616), (8, 991478510), (10, 793182808), (11, 721075280), (16, 495739255), (20, 396591404), (22, 360537640), (40, 198295702), (44, 180268820), (55, 144215056), (80, 99147851), (88, 90134410), (110, 72107528), (176, 45067205), (220, 36053764), (440, 18026882), (880, 9013441)]