68944040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{156691}}^1$

素因数の和:156713

約数の個数: 32

約数和(自身を含む): 169227360

約数和(自身を除く): 100283320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 156691, 313382, 626764, 783455, 1253528, 1566910, 1723601, 3133820, 3447202, 6267640, 6894404, 8618005, 13788808, 17236010, 34472020, 68944040]

約数ペア:

[(1, 68944040), (2, 34472020), (4, 17236010), (5, 13788808), (8, 8618005), (10, 6894404), (11, 6267640), (20, 3447202), (22, 3133820), (40, 1723601), (44, 1566910), (55, 1253528), (88, 783455), (110, 626764), (220, 313382), (440, 156691)]