28616800

素因数分解:

$2^5\times 5^2\times {\mathrm{35771}}^1$

素因数の和:35791

約数の個数: 36

約数和(自身を含む): 69862716

約数和(自身を除く): 41245916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 35771, 71542, 143084, 178855, 286168, 357710, 572336, 715420, 894275, 1144672, 1430840, 1788550, 2861680, 3577100, 5723360, 7154200, 14308400, 28616800]

約数ペア:

[(1, 28616800), (2, 14308400), (4, 7154200), (5, 5723360), (8, 3577100), (10, 2861680), (16, 1788550), (20, 1430840), (25, 1144672), (32, 894275), (40, 715420), (50, 572336), (80, 357710), (100, 286168), (160, 178855), (200, 143084), (400, 71542), (800, 35771)]