80028400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6899}}^1$

素因数の和:6946

約数の個数: 60

約数和(自身を含む): 198927000

約数和(自身を除く): 118898600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1160, 1450, 2320, 2900, 5800, 6899, 11600, 13798, 27596, 34495, 55192, 68990, 110384, 137980, 172475, 200071, 275960, 344950, 400142, 551920, 689900, 800284, 1000355, 1379800, 1600568, 2000710, 2759600, 3201136, 4001420, 5001775, 8002840, 10003550, 16005680, 20007100, 40014200, 80028400]

約数ペア:

[(1, 80028400), (2, 40014200), (4, 20007100), (5, 16005680), (8, 10003550), (10, 8002840), (16, 5001775), (20, 4001420), (25, 3201136), (29, 2759600), (40, 2000710), (50, 1600568), (58, 1379800), (80, 1000355), (100, 800284), (116, 689900), (145, 551920), (200, 400142), (232, 344950), (290, 275960), (400, 200071), (464, 172475), (580, 137980), (725, 110384), (1160, 68990), (1450, 55192), (2320, 34495), (2900, 27596), (5800, 13798), (6899, 11600)]