2018035120

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{126761}}^1$

素因数の和:126973

約数の個数: 40

約数和(自身を含む): 4715546400

約数和(自身を除く): 2697511280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 126761, 253522, 507044, 633805, 1014088, 1267610, 2028176, 2535220, 5070440, 10140880, 25225439, 50450878, 100901756, 126127195, 201803512, 252254390, 403607024, 504508780, 1009017560, 2018035120]

約数ペア:

[(1, 2018035120), (2, 1009017560), (4, 504508780), (5, 403607024), (8, 252254390), (10, 201803512), (16, 126127195), (20, 100901756), (40, 50450878), (80, 25225439), (199, 10140880), (398, 5070440), (796, 2535220), (995, 2028176), (1592, 1267610), (1990, 1014088), (3184, 633805), (3980, 507044), (7960, 253522), (15920, 126761)]