28646180

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7499}}^1$

素因数の和:7699

約数の個数: 24

約数和(自身を含む): 60480000

約数和(自身を除く): 31833820

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 7499, 14998, 29996, 37495, 74990, 149980, 1432309, 2864618, 5729236, 7161545, 14323090, 28646180]

約数ペア:

[(1, 28646180), (2, 14323090), (4, 7161545), (5, 5729236), (10, 2864618), (20, 1432309), (191, 149980), (382, 74990), (764, 37495), (955, 29996), (1910, 14998), (3820, 7499)]