82674320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 204600000

約数和(自身を除く): 121925680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 499, 545, 760, 872, 998, 1090, 1520, 1744, 1996, 2071, 2180, 2495, 3992, 4142, 4360, 4990, 7984, 8284, 8720, 9481, 9980, 10355, 16568, 18962, 19960, 20710, 33136, 37924, 39920, 41420, 47405, 54391, 75848, 82840, 94810, 108782, 151696, 165680, 189620, 217564, 271955, 379240, 435128, 543910, 758480, 870256, 1033429, 1087820, 2066858, 2175640, 4133716, 4351280, 5167145, 8267432, 10334290, 16534864, 20668580, 41337160, 82674320]

約数ペア:

[(1, 82674320), (2, 41337160), (4, 20668580), (5, 16534864), (8, 10334290), (10, 8267432), (16, 5167145), (19, 4351280), (20, 4133716), (38, 2175640), (40, 2066858), (76, 1087820), (80, 1033429), (95, 870256), (109, 758480), (152, 543910), (190, 435128), (218, 379240), (304, 271955), (380, 217564), (436, 189620), (499, 165680), (545, 151696), (760, 108782), (872, 94810), (998, 82840), (1090, 75848), (1520, 54391), (1744, 47405), (1996, 41420), (2071, 39920), (2180, 37924), (2495, 33136), (3992, 20710), (4142, 19960), (4360, 18962), (4990, 16568), (7984, 10355), (8284, 9980), (8720, 9481)]