2017996520

素因数分解:

$2^3\times 5^1\times {\mathrm{6863}}^1\times {\mathrm{7351}}^1$

素因数の和:14225

約数の個数: 32

約数和(自身を含む): 4541771520

約数和(自身を除く): 2523775000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6863, 7351, 13726, 14702, 27452, 29404, 34315, 36755, 54904, 58808, 68630, 73510, 137260, 147020, 274520, 294040, 50449913, 100899826, 201799652, 252249565, 403599304, 504499130, 1008998260, 2017996520]

約数ペア:

[(1, 2017996520), (2, 1008998260), (4, 504499130), (5, 403599304), (8, 252249565), (10, 201799652), (20, 100899826), (40, 50449913), (6863, 294040), (7351, 274520), (13726, 147020), (14702, 137260), (27452, 73510), (29404, 68630), (34315, 58808), (36755, 54904)]