16696280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 22494760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 107, 166, 188, 214, 235, 332, 376, 415, 428, 470, 535, 664, 830, 856, 940, 1070, 1660, 1880, 2140, 3320, 3901, 4280, 5029, 7802, 8881, 10058, 15604, 17762, 19505, 20116, 25145, 31208, 35524, 39010, 40232, 44405, 50290, 71048, 78020, 88810, 100580, 156040, 177620, 201160, 355240, 417407, 834814, 1669628, 2087035, 3339256, 4174070, 8348140, 16696280]

約数ペア:

[(1, 16696280), (2, 8348140), (4, 4174070), (5, 3339256), (8, 2087035), (10, 1669628), (20, 834814), (40, 417407), (47, 355240), (83, 201160), (94, 177620), (107, 156040), (166, 100580), (188, 88810), (214, 78020), (235, 71048), (332, 50290), (376, 44405), (415, 40232), (428, 39010), (470, 35524), (535, 31208), (664, 25145), (830, 20116), (856, 19505), (940, 17762), (1070, 15604), (1660, 10058), (1880, 8881), (2140, 7802), (3320, 5029), (3901, 4280)]