90157880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{33641}}^1$

素因数の和:33719

約数の個数: 32

約数和(自身を含む): 205889040

約数和(自身を除く): 115731160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 33641, 67282, 134564, 168205, 269128, 336410, 672820, 1345640, 2253947, 4507894, 9015788, 11269735, 18031576, 22539470, 45078940, 90157880]

約数ペア:

[(1, 90157880), (2, 45078940), (4, 22539470), (5, 18031576), (8, 11269735), (10, 9015788), (20, 4507894), (40, 2253947), (67, 1345640), (134, 672820), (268, 336410), (335, 269128), (536, 168205), (670, 134564), (1340, 67282), (2680, 33641)]