40247905

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 49302720

約数和(自身を除く): 9054815

約数列:

[1, 5, 67, 317, 335, 379, 1585, 1895, 21239, 25393, 106195, 120143, 126965, 600715, 8049581, 40247905]

約数ペア:

[(1, 40247905), (5, 8049581), (67, 600715), (317, 126965), (335, 120143), (379, 106195), (1585, 25393), (1895, 21239)]