129219920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{34367}}^1$

素因数の和:34427

約数の個数: 40

約数和(自身を含む): 306837504

約数和(自身を除く): 177617584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 34367, 68734, 137468, 171835, 274936, 343670, 549872, 687340, 1374680, 1615249, 2749360, 3230498, 6460996, 8076245, 12921992, 16152490, 25843984, 32304980, 64609960, 129219920]

約数ペア:

[(1, 129219920), (2, 64609960), (4, 32304980), (5, 25843984), (8, 16152490), (10, 12921992), (16, 8076245), (20, 6460996), (40, 3230498), (47, 2749360), (80, 1615249), (94, 1374680), (188, 687340), (235, 549872), (376, 343670), (470, 274936), (752, 171835), (940, 137468), (1880, 68734), (3760, 34367)]