82165690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 162518400

約数和(自身を除く): 80352710

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 89, 95, 113, 178, 190, 215, 226, 430, 445, 565, 817, 890, 1130, 1634, 1691, 2147, 3382, 3827, 4085, 4294, 4859, 7654, 8170, 8455, 9718, 10057, 10735, 16910, 19135, 20114, 21470, 24295, 38270, 48590, 50285, 72713, 92321, 100570, 145426, 184642, 191083, 363565, 382166, 432451, 461605, 727130, 864902, 923210, 955415, 1910830, 2162255, 4324510, 8216569, 16433138, 41082845, 82165690]

約数ペア:

[(1, 82165690), (2, 41082845), (5, 16433138), (10, 8216569), (19, 4324510), (38, 2162255), (43, 1910830), (86, 955415), (89, 923210), (95, 864902), (113, 727130), (178, 461605), (190, 432451), (215, 382166), (226, 363565), (430, 191083), (445, 184642), (565, 145426), (817, 100570), (890, 92321), (1130, 72713), (1634, 50285), (1691, 48590), (2147, 38270), (3382, 24295), (3827, 21470), (4085, 20114), (4294, 19135), (4859, 16910), (7654, 10735), (8170, 10057), (8455, 9718)]