2786960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3167}}^1$

素因数の和:3191

約数の個数: 40

約数和(自身を含む): 7070976

約数和(自身を除く): 4284016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3167, 6334, 12668, 15835, 25336, 31670, 34837, 50672, 63340, 69674, 126680, 139348, 174185, 253360, 278696, 348370, 557392, 696740, 1393480, 2786960]

約数ペア:

[(1, 2786960), (2, 1393480), (4, 696740), (5, 557392), (8, 348370), (10, 278696), (11, 253360), (16, 174185), (20, 139348), (22, 126680), (40, 69674), (44, 63340), (55, 50672), (80, 34837), (88, 31670), (110, 25336), (176, 15835), (220, 12668), (440, 6334), (880, 3167)]