65217680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2064

約数の個数: 80

約数和(自身を含む): 169971264

約数和(自身を除く): 104753584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2003, 2035, 2960, 3256, 4006, 4070, 6512, 8012, 8140, 10015, 16024, 16280, 20030, 22033, 32048, 32560, 40060, 44066, 74111, 80120, 88132, 110165, 148222, 160240, 176264, 220330, 296444, 352528, 370555, 440660, 592888, 741110, 815221, 881320, 1185776, 1482220, 1630442, 1762640, 2964440, 3260884, 4076105, 5928880, 6521768, 8152210, 13043536, 16304420, 32608840, 65217680]

約数ペア:

[(1, 65217680), (2, 32608840), (4, 16304420), (5, 13043536), (8, 8152210), (10, 6521768), (11, 5928880), (16, 4076105), (20, 3260884), (22, 2964440), (37, 1762640), (40, 1630442), (44, 1482220), (55, 1185776), (74, 881320), (80, 815221), (88, 741110), (110, 592888), (148, 440660), (176, 370555), (185, 352528), (220, 296444), (296, 220330), (370, 176264), (407, 160240), (440, 148222), (592, 110165), (740, 88132), (814, 80120), (880, 74111), (1480, 44066), (1628, 40060), (2003, 32560), (2035, 32048), (2960, 22033), (3256, 20030), (4006, 16280), (4070, 16024), (6512, 10015), (8012, 8140)]