80866000

素因数分解:

$2^4\times 5^3\times {\mathrm{40433}}^1$

素因数の和:40456

約数の個数: 40

約数和(自身を含む): 195538824

約数和(自身を除く): 114672824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 40433, 80866, 161732, 202165, 323464, 404330, 646928, 808660, 1010825, 1617320, 2021650, 3234640, 4043300, 5054125, 8086600, 10108250, 16173200, 20216500, 40433000, 80866000]

約数ペア:

[(1, 80866000), (2, 40433000), (4, 20216500), (5, 16173200), (8, 10108250), (10, 8086600), (16, 5054125), (20, 4043300), (25, 3234640), (40, 2021650), (50, 1617320), (80, 1010825), (100, 808660), (125, 646928), (200, 404330), (250, 323464), (400, 202165), (500, 161732), (1000, 80866), (2000, 40433)]