66407240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{35323}}^1$

素因数の和:35381

約数の個数: 32

約数和(自身を含む): 152599680

約数和(自身を除く): 86192440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 35323, 70646, 141292, 176615, 282584, 353230, 706460, 1412920, 1660181, 3320362, 6640724, 8300905, 13281448, 16601810, 33203620, 66407240]

約数ペア:

[(1, 66407240), (2, 33203620), (4, 16601810), (5, 13281448), (8, 8300905), (10, 6640724), (20, 3320362), (40, 1660181), (47, 1412920), (94, 706460), (188, 353230), (235, 282584), (376, 176615), (470, 141292), (940, 70646), (1880, 35323)]