31672840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 75168000

約数和(自身を除く): 43495160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 173, 184, 199, 230, 346, 398, 460, 692, 796, 865, 920, 995, 1384, 1592, 1730, 1990, 3460, 3979, 3980, 4577, 6920, 7958, 7960, 9154, 15916, 18308, 19895, 22885, 31832, 34427, 36616, 39790, 45770, 68854, 79580, 91540, 137708, 159160, 172135, 183080, 275416, 344270, 688540, 791821, 1377080, 1583642, 3167284, 3959105, 6334568, 7918210, 15836420, 31672840]

約数ペア:

[(1, 31672840), (2, 15836420), (4, 7918210), (5, 6334568), (8, 3959105), (10, 3167284), (20, 1583642), (23, 1377080), (40, 791821), (46, 688540), (92, 344270), (115, 275416), (173, 183080), (184, 172135), (199, 159160), (230, 137708), (346, 91540), (398, 79580), (460, 68854), (692, 45770), (796, 39790), (865, 36616), (920, 34427), (995, 31832), (1384, 22885), (1592, 19895), (1730, 18308), (1990, 15916), (3460, 9154), (3979, 7960), (3980, 7958), (4577, 6920)]