78114280

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{18251}}^1$

素因数の和:18369

約数の個数: 32

約数和(自身を含む): 177409440

約数和(自身を除く): 99295160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 18251, 36502, 73004, 91255, 146008, 182510, 365020, 730040, 1952857, 3905714, 7811428, 9764285, 15622856, 19528570, 39057140, 78114280]

約数ペア:

[(1, 78114280), (2, 39057140), (4, 19528570), (5, 15622856), (8, 9764285), (10, 7811428), (20, 3905714), (40, 1952857), (107, 730040), (214, 365020), (428, 182510), (535, 146008), (856, 91255), (1070, 73004), (2140, 36502), (4280, 18251)]