28373140

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2843}}^1$

素因数の和:3351

約数の個数: 24

約数和(自身を含む): 59724000

約数和(自身を除く): 31350860

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 2843, 4990, 5686, 9980, 11372, 14215, 28430, 56860, 1418657, 2837314, 5674628, 7093285, 14186570, 28373140]

約数ペア:

[(1, 28373140), (2, 14186570), (4, 7093285), (5, 5674628), (10, 2837314), (20, 1418657), (499, 56860), (998, 28430), (1996, 14215), (2495, 11372), (2843, 9980), (4990, 5686)]