28916740

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4561}}^1$

素因数の和:4887

約数の個数: 24

約数和(自身を含む): 60930072

約数和(自身を除く): 32013332

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 4561, 6340, 9122, 18244, 22805, 45610, 91220, 1445837, 2891674, 5783348, 7229185, 14458370, 28916740]

約数ペア:

[(1, 28916740), (2, 14458370), (4, 7229185), (5, 5783348), (10, 2891674), (20, 1445837), (317, 91220), (634, 45610), (1268, 22805), (1585, 18244), (3170, 9122), (4561, 6340)]