87200380

素因数分解:

$2^2\times 5^1\times {\mathrm{4360019}}^1$

素因数の和:4360028

約数の個数: 12

約数和(自身を含む): 183120840

約数和(自身を除く): 95920460

約数列:

[1, 2, 4, 5, 10, 20, 4360019, 8720038, 17440076, 21800095, 43600190, 87200380]

約数ペア:

[(1, 87200380), (2, 43600190), (4, 21800095), (5, 17440076), (10, 8720038), (20, 4360019)]