40876120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 96033600

約数和(自身を除く): 55157480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 389, 568, 710, 740, 778, 1420, 1480, 1556, 1945, 2627, 2840, 3112, 3890, 5254, 7780, 10508, 13135, 14393, 15560, 21016, 26270, 27619, 28786, 52540, 55238, 57572, 71965, 105080, 110476, 115144, 138095, 143930, 220952, 276190, 287860, 552380, 575720, 1021903, 1104760, 2043806, 4087612, 5109515, 8175224, 10219030, 20438060, 40876120]

約数ペア:

[(1, 40876120), (2, 20438060), (4, 10219030), (5, 8175224), (8, 5109515), (10, 4087612), (20, 2043806), (37, 1104760), (40, 1021903), (71, 575720), (74, 552380), (142, 287860), (148, 276190), (185, 220952), (284, 143930), (296, 138095), (355, 115144), (370, 110476), (389, 105080), (568, 71965), (710, 57572), (740, 55238), (778, 52540), (1420, 28786), (1480, 27619), (1556, 26270), (1945, 21016), (2627, 15560), (2840, 14393), (3112, 13135), (3890, 10508), (5254, 7780)]