28232020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 61277328

約数和(自身を除く): 33045308

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 122, 146, 244, 292, 305, 317, 365, 610, 634, 730, 1220, 1268, 1460, 1585, 3170, 4453, 6340, 8906, 17812, 19337, 22265, 23141, 38674, 44530, 46282, 77348, 89060, 92564, 96685, 115705, 193370, 231410, 386740, 462820, 1411601, 2823202, 5646404, 7058005, 14116010, 28232020]

約数ペア:

[(1, 28232020), (2, 14116010), (4, 7058005), (5, 5646404), (10, 2823202), (20, 1411601), (61, 462820), (73, 386740), (122, 231410), (146, 193370), (244, 115705), (292, 96685), (305, 92564), (317, 89060), (365, 77348), (610, 46282), (634, 44530), (730, 38674), (1220, 23141), (1268, 22265), (1460, 19337), (1585, 17812), (3170, 8906), (4453, 6340)]