40345910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 85100544

約数和(自身を除く): 44754634

約数列:

[1, 2, 5, 10, 11, 22, 23, 37, 46, 55, 74, 110, 115, 185, 230, 253, 370, 407, 431, 506, 814, 851, 862, 1265, 1702, 2035, 2155, 2530, 4070, 4255, 4310, 4741, 8510, 9361, 9482, 9913, 15947, 18722, 19826, 23705, 31894, 46805, 47410, 49565, 79735, 93610, 99130, 109043, 159470, 175417, 218086, 350834, 366781, 545215, 733562, 877085, 1090430, 1754170, 1833905, 3667810, 4034591, 8069182, 20172955, 40345910]

約数ペア:

[(1, 40345910), (2, 20172955), (5, 8069182), (10, 4034591), (11, 3667810), (22, 1833905), (23, 1754170), (37, 1090430), (46, 877085), (55, 733562), (74, 545215), (110, 366781), (115, 350834), (185, 218086), (230, 175417), (253, 159470), (370, 109043), (407, 99130), (431, 93610), (506, 79735), (814, 49565), (851, 47410), (862, 46805), (1265, 31894), (1702, 23705), (2035, 19826), (2155, 18722), (2530, 15947), (4070, 9913), (4255, 9482), (4310, 9361), (4741, 8510)]