47981951960

素因数分解:

$2^3\times 5^1\times {\mathrm{13831}}^1\times {\mathrm{86729}}^1$

素因数の和:100571

約数の個数: 32

約数和(自身を含む): 107968442400

約数和(自身を除く): 59986490440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13831, 27662, 55324, 69155, 86729, 110648, 138310, 173458, 276620, 346916, 433645, 553240, 693832, 867290, 1734580, 3469160, 1199548799, 2399097598, 4798195196, 5997743995, 9596390392, 11995487990, 23990975980, 47981951960]

約数ペア:

[(1, 47981951960), (2, 23990975980), (4, 11995487990), (5, 9596390392), (8, 5997743995), (10, 4798195196), (20, 2399097598), (40, 1199548799), (13831, 3469160), (27662, 1734580), (55324, 867290), (69155, 693832), (86729, 553240), (110648, 433645), (138310, 346916), (173458, 276620)]