128951780

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{22783}}^1$

素因数の和:23075

約数の個数: 24

約数和(自身を含む): 271767552

約数和(自身を除く): 142815772

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 22783, 45566, 91132, 113915, 227830, 455660, 6447589, 12895178, 25790356, 32237945, 64475890, 128951780]

約数ペア:

[(1, 128951780), (2, 64475890), (4, 32237945), (5, 25790356), (10, 12895178), (20, 6447589), (283, 455660), (566, 227830), (1132, 113915), (1415, 91132), (2830, 45566), (5660, 22783)]