64609960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{34367}}^1$

素因数の和:34425

約数の個数: 32

約数和(自身を含む): 148469760

約数和(自身を除く): 83859800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 34367, 68734, 137468, 171835, 274936, 343670, 687340, 1374680, 1615249, 3230498, 6460996, 8076245, 12921992, 16152490, 32304980, 64609960]

約数ペア:

[(1, 64609960), (2, 32304980), (4, 16152490), (5, 12921992), (8, 8076245), (10, 6460996), (20, 3230498), (40, 1615249), (47, 1374680), (94, 687340), (188, 343670), (235, 274936), (376, 171835), (470, 137468), (940, 68734), (1880, 34367)]