1311107.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 195955200

約数和(自身を除く): 112129880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 632, 647, 790, 820, 1294, 1580, 1640, 2588, 3160, 3235, 3239, 5176, 6470, 6478, 12940, 12956, 16195, 25880, 25912, 26527, 32390, 51113, 53054, 64780, 102226, 106108, 129560, 132635, 204452, 212216, 255565, 265270, 408904, 511130, 530540, 1022260, 1061080, 2044520, 2095633, 4191266, 8382532, 10478165, 16765064, 20956330, 41912660, 83825320]

約数ペア:

[(1, 83825320), (2, 41912660), (4, 20956330), (5, 16765064), (8, 10478165), (10, 8382532), (20, 4191266), (40, 2095633), (41, 2044520), (79, 1061080), (82, 1022260), (158, 530540), (164, 511130), (205, 408904), (316, 265270), (328, 255565), (395, 212216), (410, 204452), (632, 132635), (647, 129560), (790, 106108), (820, 102226), (1294, 64780), (1580, 53054), (1640, 51113), (2588, 32390), (3160, 26527), (3235, 25912), (3239, 25880), (5176, 16195), (6470, 12956), (6478, 12940)]