26065520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 66370752

約数和(自身を除く): 40305232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 353, 355, 520, 568, 706, 710, 923, 1040, 1136, 1412, 1420, 1765, 1846, 2824, 2840, 3530, 3692, 4589, 4615, 5648, 5680, 7060, 7384, 9178, 9230, 14120, 14768, 18356, 18460, 22945, 25063, 28240, 36712, 36920, 45890, 50126, 73424, 73840, 91780, 100252, 125315, 183560, 200504, 250630, 325819, 367120, 401008, 501260, 651638, 1002520, 1303276, 1629095, 2005040, 2606552, 3258190, 5213104, 6516380, 13032760, 26065520]

約数ペア:

[(1, 26065520), (2, 13032760), (4, 6516380), (5, 5213104), (8, 3258190), (10, 2606552), (13, 2005040), (16, 1629095), (20, 1303276), (26, 1002520), (40, 651638), (52, 501260), (65, 401008), (71, 367120), (80, 325819), (104, 250630), (130, 200504), (142, 183560), (208, 125315), (260, 100252), (284, 91780), (353, 73840), (355, 73424), (520, 50126), (568, 45890), (706, 36920), (710, 36712), (923, 28240), (1040, 25063), (1136, 22945), (1412, 18460), (1420, 18356), (1765, 14768), (1846, 14120), (2824, 9230), (2840, 9178), (3530, 7384), (3692, 7060), (4589, 5680), (4615, 5648)]