56876840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 76179160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 439, 632, 790, 820, 878, 1580, 1640, 1756, 2195, 3160, 3239, 3512, 4390, 6478, 8780, 12956, 16195, 17560, 17999, 25912, 32390, 34681, 35998, 64780, 69362, 71996, 89995, 129560, 138724, 143992, 173405, 179990, 277448, 346810, 359980, 693620, 719960, 1387240, 1421921, 2843842, 5687684, 7109605, 11375368, 14219210, 28438420, 56876840]

約数ペア:

[(1, 56876840), (2, 28438420), (4, 14219210), (5, 11375368), (8, 7109605), (10, 5687684), (20, 2843842), (40, 1421921), (41, 1387240), (79, 719960), (82, 693620), (158, 359980), (164, 346810), (205, 277448), (316, 179990), (328, 173405), (395, 143992), (410, 138724), (439, 129560), (632, 89995), (790, 71996), (820, 69362), (878, 64780), (1580, 35998), (1640, 34681), (1756, 32390), (2195, 25912), (3160, 17999), (3239, 17560), (3512, 16195), (4390, 12956), (6478, 8780)]