164971880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{87751}}^1$

素因数の和:87809

約数の個数: 32

約数和(自身を含む): 379088640

約数和(自身を除く): 214116760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 87751, 175502, 351004, 438755, 702008, 877510, 1755020, 3510040, 4124297, 8248594, 16497188, 20621485, 32994376, 41242970, 82485940, 164971880]

約数ペア:

[(1, 164971880), (2, 82485940), (4, 41242970), (5, 32994376), (8, 20621485), (10, 16497188), (20, 8248594), (40, 4124297), (47, 3510040), (94, 1755020), (188, 877510), (235, 702008), (376, 438755), (470, 351004), (940, 175502), (1880, 87751)]