56521480

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1993}}^1$

素因数の和:2713

約数の個数: 32

約数和(自身を含む): 127416600

約数和(自身を除く): 70895120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 1993, 2836, 3545, 3986, 5672, 7090, 7972, 9965, 14180, 15944, 19930, 28360, 39860, 79720, 1413037, 2826074, 5652148, 7065185, 11304296, 14130370, 28260740, 56521480]

約数ペア:

[(1, 56521480), (2, 28260740), (4, 14130370), (5, 11304296), (8, 7065185), (10, 5652148), (20, 2826074), (40, 1413037), (709, 79720), (1418, 39860), (1993, 28360), (2836, 19930), (3545, 15944), (3986, 14180), (5672, 9965), (7090, 7972)]