28321100

素因数分解:

$2^2\times 5^2\times {\mathrm{283211}}^1$

素因数の和:283225

約数の個数: 18

約数和(自身を含む): 61457004

約数和(自身を除く): 33135904

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 283211, 566422, 1132844, 1416055, 2832110, 5664220, 7080275, 14160550, 28321100]

約数ペア:

[(1, 28321100), (2, 14160550), (4, 7080275), (5, 5664220), (10, 2832110), (20, 1416055), (25, 1132844), (50, 566422), (100, 283211)]