87128780

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{7177}}^1$

素因数の和:7793

約数の個数: 24

約数和(自身を含む): 183297408

約数和(自身を除く): 96168628

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 2428, 3035, 6070, 7177, 12140, 14354, 28708, 35885, 71770, 143540, 4356439, 8712878, 17425756, 21782195, 43564390, 87128780]

約数ペア:

[(1, 87128780), (2, 43564390), (4, 21782195), (5, 17425756), (10, 8712878), (20, 4356439), (607, 143540), (1214, 71770), (2428, 35885), (3035, 28708), (6070, 14354), (7177, 12140)]