40163800

素因数分解:

$2^3\times 5^2\times {\mathrm{409}}^1\times {\mathrm{491}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 93799800

約数和(自身を除く): 53636000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 409, 491, 818, 982, 1636, 1964, 2045, 2455, 3272, 3928, 4090, 4910, 8180, 9820, 10225, 12275, 16360, 19640, 20450, 24550, 40900, 49100, 81800, 98200, 200819, 401638, 803276, 1004095, 1606552, 2008190, 4016380, 5020475, 8032760, 10040950, 20081900, 40163800]

約数ペア:

[(1, 40163800), (2, 20081900), (4, 10040950), (5, 8032760), (8, 5020475), (10, 4016380), (20, 2008190), (25, 1606552), (40, 1004095), (50, 803276), (100, 401638), (200, 200819), (409, 98200), (491, 81800), (818, 49100), (982, 40900), (1636, 24550), (1964, 20450), (2045, 19640), (2455, 16360), (3272, 12275), (3928, 10225), (4090, 9820), (4910, 8180)]