12564040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 29756160

約数和(自身を除く): 17192120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 163, 164, 188, 205, 235, 326, 328, 376, 410, 470, 652, 815, 820, 940, 1304, 1630, 1640, 1880, 1927, 3260, 3854, 6520, 6683, 7661, 7708, 9635, 13366, 15322, 15416, 19270, 26732, 30644, 33415, 38305, 38540, 53464, 61288, 66830, 76610, 77080, 133660, 153220, 267320, 306440, 314101, 628202, 1256404, 1570505, 2512808, 3141010, 6282020, 12564040]

約数ペア:

[(1, 12564040), (2, 6282020), (4, 3141010), (5, 2512808), (8, 1570505), (10, 1256404), (20, 628202), (40, 314101), (41, 306440), (47, 267320), (82, 153220), (94, 133660), (163, 77080), (164, 76610), (188, 66830), (205, 61288), (235, 53464), (326, 38540), (328, 38305), (376, 33415), (410, 30644), (470, 26732), (652, 19270), (815, 15416), (820, 15322), (940, 13366), (1304, 9635), (1630, 7708), (1640, 7661), (1880, 6683), (1927, 6520), (3260, 3854)]