20161567240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1\times {\mathrm{7549}}^1$

素因数の和:10486

約数の個数: 64

約数和(自身を含む): 47358432000

約数和(自身を除く): 27196864760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2903, 5806, 7549, 11612, 14515, 15098, 23224, 29030, 30196, 37745, 58060, 60392, 66769, 75490, 116120, 133538, 150980, 173627, 267076, 301960, 333845, 347254, 534152, 667690, 694508, 868135, 1335380, 1389016, 1736270, 2670760, 3472540, 6945080, 21914747, 43829494, 87658988, 109573735, 175317976, 219147470, 438294940, 504039181, 876589880, 1008078362, 2016156724, 2520195905, 4032313448, 5040391810, 10080783620, 20161567240]

約数ペア:

[(1, 20161567240), (2, 10080783620), (4, 5040391810), (5, 4032313448), (8, 2520195905), (10, 2016156724), (20, 1008078362), (23, 876589880), (40, 504039181), (46, 438294940), (92, 219147470), (115, 175317976), (184, 109573735), (230, 87658988), (460, 43829494), (920, 21914747), (2903, 6945080), (5806, 3472540), (7549, 2670760), (11612, 1736270), (14515, 1389016), (15098, 1335380), (23224, 868135), (29030, 694508), (30196, 667690), (37745, 534152), (58060, 347254), (60392, 333845), (66769, 301960), (75490, 267076), (116120, 173627), (133538, 150980)]