81407600

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4733}}^1$

素因数の和:4794

約数の個数: 60

約数和(自身を含む): 200172456

約数和(自身を除く): 118764856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 4733, 8600, 9466, 17200, 18932, 23665, 37864, 47330, 75728, 94660, 118325, 189320, 203519, 236650, 378640, 407038, 473300, 814076, 946600, 1017595, 1628152, 1893200, 2035190, 3256304, 4070380, 5087975, 8140760, 10175950, 16281520, 20351900, 40703800, 81407600]

約数ペア:

[(1, 81407600), (2, 40703800), (4, 20351900), (5, 16281520), (8, 10175950), (10, 8140760), (16, 5087975), (20, 4070380), (25, 3256304), (40, 2035190), (43, 1893200), (50, 1628152), (80, 1017595), (86, 946600), (100, 814076), (172, 473300), (200, 407038), (215, 378640), (344, 236650), (400, 203519), (430, 189320), (688, 118325), (860, 94660), (1075, 75728), (1720, 47330), (2150, 37864), (3440, 23665), (4300, 18932), (4733, 17200), (8600, 9466)]