51761840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 131616576

約数和(自身を除く): 79854736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 701, 710, 923, 1040, 1136, 1402, 1420, 1846, 2804, 2840, 3505, 3692, 4615, 5608, 5680, 7010, 7384, 9113, 9230, 11216, 14020, 14768, 18226, 18460, 28040, 36452, 36920, 45565, 49771, 56080, 72904, 73840, 91130, 99542, 145808, 182260, 199084, 248855, 364520, 398168, 497710, 647023, 729040, 796336, 995420, 1294046, 1990840, 2588092, 3235115, 3981680, 5176184, 6470230, 10352368, 12940460, 25880920, 51761840]

約数ペア:

[(1, 51761840), (2, 25880920), (4, 12940460), (5, 10352368), (8, 6470230), (10, 5176184), (13, 3981680), (16, 3235115), (20, 2588092), (26, 1990840), (40, 1294046), (52, 995420), (65, 796336), (71, 729040), (80, 647023), (104, 497710), (130, 398168), (142, 364520), (208, 248855), (260, 199084), (284, 182260), (355, 145808), (520, 99542), (568, 91130), (701, 73840), (710, 72904), (923, 56080), (1040, 49771), (1136, 45565), (1402, 36920), (1420, 36452), (1846, 28040), (2804, 18460), (2840, 18226), (3505, 14768), (3692, 14020), (4615, 11216), (5608, 9230), (5680, 9113), (7010, 7384)]