38629880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 91584000

約数和(自身を除く): 52954120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 199, 211, 230, 398, 422, 460, 796, 844, 920, 995, 1055, 1592, 1688, 1990, 2110, 3980, 4220, 4577, 4853, 7960, 8440, 9154, 9706, 18308, 19412, 22885, 24265, 36616, 38824, 41989, 45770, 48530, 83978, 91540, 97060, 167956, 183080, 194120, 209945, 335912, 419890, 839780, 965747, 1679560, 1931494, 3862988, 4828735, 7725976, 9657470, 19314940, 38629880]

約数ペア:

[(1, 38629880), (2, 19314940), (4, 9657470), (5, 7725976), (8, 4828735), (10, 3862988), (20, 1931494), (23, 1679560), (40, 965747), (46, 839780), (92, 419890), (115, 335912), (184, 209945), (199, 194120), (211, 183080), (230, 167956), (398, 97060), (422, 91540), (460, 83978), (796, 48530), (844, 45770), (920, 41989), (995, 38824), (1055, 36616), (1592, 24265), (1688, 22885), (1990, 19412), (2110, 18308), (3980, 9706), (4220, 9154), (4577, 8440), (4853, 7960)]