81128290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{6373}}^1$

素因数の和:6466

約数の個数: 32

約数和(自身を含む): 156035520

約数和(自身を除く): 74907230

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 6365, 6373, 12730, 12746, 31865, 63730, 121087, 242174, 426991, 605435, 853982, 1210870, 2134955, 4269910, 8112829, 16225658, 40564145, 81128290]

約数ペア:

[(1, 81128290), (2, 40564145), (5, 16225658), (10, 8112829), (19, 4269910), (38, 2134955), (67, 1210870), (95, 853982), (134, 605435), (190, 426991), (335, 242174), (670, 121087), (1273, 63730), (2546, 31865), (6365, 12746), (6373, 12730)]