206673440

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6491}}^1$

素因数の和:6705

約数の個数: 48

約数和(自身を含む): 490795200

約数和(自身を除く): 284121760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 6491, 7960, 12982, 15920, 25964, 31840, 32455, 51928, 64910, 103856, 129820, 207712, 259640, 519280, 1038560, 1291709, 2583418, 5166836, 6458545, 10333672, 12917090, 20667344, 25834180, 41334688, 51668360, 103336720, 206673440]

約数ペア:

[(1, 206673440), (2, 103336720), (4, 51668360), (5, 41334688), (8, 25834180), (10, 20667344), (16, 12917090), (20, 10333672), (32, 6458545), (40, 5166836), (80, 2583418), (160, 1291709), (199, 1038560), (398, 519280), (796, 259640), (995, 207712), (1592, 129820), (1990, 103856), (3184, 64910), (3980, 51928), (6368, 32455), (6491, 31840), (7960, 25964), (12982, 15920)]