80920142

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{4129}}^1$

素因数の和:4411

約数の個数: 16

約数和(自身を含む): 124891200

約数和(自身を除く): 43971058

約数列:

[1, 2, 41, 82, 239, 478, 4129, 8258, 9799, 19598, 169289, 338578, 986831, 1973662, 40460071, 80920142]

約数ペア:

[(1, 80920142), (2, 40460071), (41, 1973662), (82, 986831), (239, 338578), (478, 169289), (4129, 19598), (8258, 9799)]