80116220

素因数分解:

$2^2\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{2141}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 168412608

約数和(自身を除く): 88296388

約数列:

[1, 2, 4, 5, 10, 20, 1871, 2141, 3742, 4282, 7484, 8564, 9355, 10705, 18710, 21410, 37420, 42820, 4005811, 8011622, 16023244, 20029055, 40058110, 80116220]

約数ペア:

[(1, 80116220), (2, 40058110), (4, 20029055), (5, 16023244), (10, 8011622), (20, 4005811), (1871, 42820), (2141, 37420), (3742, 21410), (4282, 18710), (7484, 10705), (8564, 9355)]