72071600

素因数分解:

$2^4\times 5^2\times {\mathrm{180179}}^1$

素因数の和:180197

約数の個数: 30

約数和(自身を含む): 173152980

約数和(自身を除く): 101081380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 180179, 360358, 720716, 900895, 1441432, 1801790, 2882864, 3603580, 4504475, 7207160, 9008950, 14414320, 18017900, 36035800, 72071600]

約数ペア:

[(1, 72071600), (2, 36035800), (4, 18017900), (5, 14414320), (8, 9008950), (10, 7207160), (16, 4504475), (20, 3603580), (25, 2882864), (40, 1801790), (50, 1441432), (80, 900895), (100, 720716), (200, 360358), (400, 180179)]