13543640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30781}}^1$

素因数の和:30803

約数の個数: 32

約数和(自身を含む): 33244560

約数和(自身を除く): 19700920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 30781, 61562, 123124, 153905, 246248, 307810, 338591, 615620, 677182, 1231240, 1354364, 1692955, 2708728, 3385910, 6771820, 13543640]

約数ペア:

[(1, 13543640), (2, 6771820), (4, 3385910), (5, 2708728), (8, 1692955), (10, 1354364), (11, 1231240), (20, 677182), (22, 615620), (40, 338591), (44, 307810), (55, 246248), (88, 153905), (110, 123124), (220, 61562), (440, 30781)]