6397640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 15240960

約数和(自身を除く): 8843320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 83, 94, 164, 166, 188, 205, 235, 328, 332, 376, 410, 415, 470, 664, 820, 830, 940, 1640, 1660, 1880, 1927, 3320, 3403, 3854, 3901, 6806, 7708, 7802, 9635, 13612, 15416, 15604, 17015, 19270, 19505, 27224, 31208, 34030, 38540, 39010, 68060, 77080, 78020, 136120, 156040, 159941, 319882, 639764, 799705, 1279528, 1599410, 3198820, 6397640]

約数ペア:

[(1, 6397640), (2, 3198820), (4, 1599410), (5, 1279528), (8, 799705), (10, 639764), (20, 319882), (40, 159941), (41, 156040), (47, 136120), (82, 78020), (83, 77080), (94, 68060), (164, 39010), (166, 38540), (188, 34030), (205, 31208), (235, 27224), (328, 19505), (332, 19270), (376, 17015), (410, 15604), (415, 15416), (470, 13612), (664, 9635), (820, 7802), (830, 7708), (940, 6806), (1640, 3901), (1660, 3854), (1880, 3403), (1927, 3320)]