81232060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44633}}^1$

素因数の和:44662

約数の個数: 48

約数和(自身を含む): 209958336

約数和(自身を除く): 128726276

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 44633, 89266, 178532, 223165, 312431, 446330, 580229, 624862, 892660, 1160458, 1249724, 1562155, 2320916, 2901145, 3124310, 4061603, 5802290, 6248620, 8123206, 11604580, 16246412, 20308015, 40616030, 81232060]

約数ペア:

[(1, 81232060), (2, 40616030), (4, 20308015), (5, 16246412), (7, 11604580), (10, 8123206), (13, 6248620), (14, 5802290), (20, 4061603), (26, 3124310), (28, 2901145), (35, 2320916), (52, 1562155), (65, 1249724), (70, 1160458), (91, 892660), (130, 624862), (140, 580229), (182, 446330), (260, 312431), (364, 223165), (455, 178532), (910, 89266), (1820, 44633)]