155043640

素因数分解:

$2^3\times 5^1\times {\mathrm{3876091}}^1$

素因数の和:3876102

約数の個数: 16

約数和(自身を含む): 348848280

約数和(自身を除く): 193804640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3876091, 7752182, 15504364, 19380455, 31008728, 38760910, 77521820, 155043640]

約数ペア:

[(1, 155043640), (2, 77521820), (4, 38760910), (5, 31008728), (8, 19380455), (10, 15504364), (20, 7752182), (40, 3876091)]