86854760

素因数分解:

$2^3\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1669}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 195690600

約数和(自身を除く): 108835840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1301, 1669, 2602, 3338, 5204, 6505, 6676, 8345, 10408, 13010, 13352, 16690, 26020, 33380, 52040, 66760, 2171369, 4342738, 8685476, 10856845, 17370952, 21713690, 43427380, 86854760]

約数ペア:

[(1, 86854760), (2, 43427380), (4, 21713690), (5, 17370952), (8, 10856845), (10, 8685476), (20, 4342738), (40, 2171369), (1301, 66760), (1669, 52040), (2602, 33380), (3338, 26020), (5204, 16690), (6505, 13352), (6676, 13010), (8345, 10408)]