121870040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{74311}}^1$

素因数の和:74363

約数の個数: 32

約数和(自身を含む): 280899360

約数和(自身を除く): 159029320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 74311, 148622, 297244, 371555, 594488, 743110, 1486220, 2972440, 3046751, 6093502, 12187004, 15233755, 24374008, 30467510, 60935020, 121870040]

約数ペア:

[(1, 121870040), (2, 60935020), (4, 30467510), (5, 24374008), (8, 15233755), (10, 12187004), (20, 6093502), (40, 3046751), (41, 2972440), (82, 1486220), (164, 743110), (205, 594488), (328, 371555), (410, 297244), (820, 148622), (1640, 74311)]