7644040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 10499960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 79, 82, 118, 158, 164, 205, 236, 295, 316, 328, 395, 410, 472, 590, 632, 790, 820, 1180, 1580, 1640, 2360, 2419, 3160, 3239, 4661, 4838, 6478, 9322, 9676, 12095, 12956, 16195, 18644, 19352, 23305, 24190, 25912, 32390, 37288, 46610, 48380, 64780, 93220, 96760, 129560, 186440, 191101, 382202, 764404, 955505, 1528808, 1911010, 3822020, 7644040]

約数ペア:

[(1, 7644040), (2, 3822020), (4, 1911010), (5, 1528808), (8, 955505), (10, 764404), (20, 382202), (40, 191101), (41, 186440), (59, 129560), (79, 96760), (82, 93220), (118, 64780), (158, 48380), (164, 46610), (205, 37288), (236, 32390), (295, 25912), (316, 24190), (328, 23305), (395, 19352), (410, 18644), (472, 16195), (590, 12956), (632, 12095), (790, 9676), (820, 9322), (1180, 6478), (1580, 4838), (1640, 4661), (2360, 3239), (2419, 3160)]