7154996920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{10667}}^1$

素因数の和:11128

約数の個数: 64

約数和(自身を含む): 16533266400

約数和(自身を除く): 9378269480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 409, 410, 818, 820, 1636, 1640, 2045, 3272, 4090, 8180, 10667, 16360, 16769, 21334, 33538, 42668, 53335, 67076, 83845, 85336, 106670, 134152, 167690, 213340, 335380, 426680, 437347, 670760, 874694, 1749388, 2186735, 3498776, 4362803, 4373470, 8725606, 8746940, 17451212, 17493880, 21814015, 34902424, 43628030, 87256060, 174512120, 178874923, 357749846, 715499692, 894374615, 1430999384, 1788749230, 3577498460, 7154996920]

約数ペア:

[(1, 7154996920), (2, 3577498460), (4, 1788749230), (5, 1430999384), (8, 894374615), (10, 715499692), (20, 357749846), (40, 178874923), (41, 174512120), (82, 87256060), (164, 43628030), (205, 34902424), (328, 21814015), (409, 17493880), (410, 17451212), (818, 8746940), (820, 8725606), (1636, 4373470), (1640, 4362803), (2045, 3498776), (3272, 2186735), (4090, 1749388), (8180, 874694), (10667, 670760), (16360, 437347), (16769, 426680), (21334, 335380), (33538, 213340), (42668, 167690), (53335, 134152), (67076, 106670), (83845, 85336)]