20167939280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2083}}^1\times {\mathrm{3271}}^1$

素因数の和:5404

約数の個数: 80

約数和(自身を含む): 48195617664

約数和(自身を除く): 28027678384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2083, 2960, 3271, 4166, 6542, 8332, 10415, 13084, 16355, 16664, 20830, 26168, 32710, 33328, 41660, 52336, 65420, 77071, 83320, 121027, 130840, 154142, 166640, 242054, 261680, 308284, 385355, 484108, 605135, 616568, 770710, 968216, 1210270, 1233136, 1541420, 1936432, 2420540, 3082840, 4841080, 6165680, 6813493, 9682160, 13626986, 27253972, 34067465, 54507944, 68134930, 109015888, 136269860, 252099241, 272539720, 504198482, 545079440, 1008396964, 1260496205, 2016793928, 2520992410, 4033587856, 5041984820, 10083969640, 20167939280]

約数ペア:

[(1, 20167939280), (2, 10083969640), (4, 5041984820), (5, 4033587856), (8, 2520992410), (10, 2016793928), (16, 1260496205), (20, 1008396964), (37, 545079440), (40, 504198482), (74, 272539720), (80, 252099241), (148, 136269860), (185, 109015888), (296, 68134930), (370, 54507944), (592, 34067465), (740, 27253972), (1480, 13626986), (2083, 9682160), (2960, 6813493), (3271, 6165680), (4166, 4841080), (6542, 3082840), (8332, 2420540), (10415, 1936432), (13084, 1541420), (16355, 1233136), (16664, 1210270), (20830, 968216), (26168, 770710), (32710, 616568), (33328, 605135), (41660, 484108), (52336, 385355), (65420, 308284), (77071, 261680), (83320, 242054), (121027, 166640), (130840, 154142)]