2011656680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4571947}}^1$

素因数の和:4571969

約数の個数: 32

約数和(自身を含む): 4937703840

約数和(自身を除く): 2926047160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4571947, 9143894, 18287788, 22859735, 36575576, 45719470, 50291417, 91438940, 100582834, 182877880, 201165668, 251457085, 402331336, 502914170, 1005828340, 2011656680]

約数ペア:

[(1, 2011656680), (2, 1005828340), (4, 502914170), (5, 402331336), (8, 251457085), (10, 201165668), (11, 182877880), (20, 100582834), (22, 91438940), (40, 50291417), (44, 45719470), (55, 36575576), (88, 22859735), (110, 18287788), (220, 9143894), (440, 4571947)]