40039945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1307}}^1$

素因数の和:1880

約数の個数: 16

約数和(自身を含む): 52550208

約数和(自身を除く): 12510263

約数列:

[1, 5, 11, 55, 557, 1307, 2785, 6127, 6535, 14377, 30635, 71885, 727999, 3639995, 8007989, 40039945]

約数ペア:

[(1, 40039945), (5, 8007989), (11, 3639995), (55, 727999), (557, 71885), (1307, 30635), (2785, 14377), (6127, 6535)]