2640968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{30011}}^1$

素因数の和:30028

約数の個数: 16

約数和(自身を含む): 5402160

約数和(自身を除く): 2761192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 30011, 60022, 120044, 240088, 330121, 660242, 1320484, 2640968]

約数ペア:

[(1, 2640968), (2, 1320484), (4, 660242), (8, 330121), (11, 240088), (22, 120044), (44, 60022), (88, 30011)]