158128840

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{21841}}^1$

素因数の和:22033

約数の個数: 32

約数和(自身を含む): 357771960

約数和(自身を除く): 199643120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 21841, 43682, 87364, 109205, 174728, 218410, 436820, 873640, 3953221, 7906442, 15812884, 19766105, 31625768, 39532210, 79064420, 158128840]

約数ペア:

[(1, 158128840), (2, 79064420), (4, 39532210), (5, 31625768), (8, 19766105), (10, 15812884), (20, 7906442), (40, 3953221), (181, 873640), (362, 436820), (724, 218410), (905, 174728), (1448, 109205), (1810, 87364), (3620, 43682), (7240, 21841)]