40805554

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{953}}^1$

素因数の和:1305

約数の個数: 16

約数和(自身を含む): 62277120

約数和(自身を除く): 21471566

約数列:

[1, 2, 79, 158, 271, 542, 953, 1906, 21409, 42818, 75287, 150574, 258263, 516526, 20402777, 40805554]

約数ペア:

[(1, 40805554), (2, 20402777), (79, 516526), (158, 258263), (271, 150574), (542, 75287), (953, 42818), (1906, 21409)]