1742473840

素因数分解:

$2^4\times 5^1\times {\mathrm{21780923}}^1$

素因数の和:21780936

約数の個数: 20

約数和(自身を含む): 4051251864

約数和(自身を除く): 2308778024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21780923, 43561846, 87123692, 108904615, 174247384, 217809230, 348494768, 435618460, 871236920, 1742473840]

約数ペア:

[(1, 1742473840), (2, 871236920), (4, 435618460), (5, 348494768), (8, 217809230), (10, 174247384), (16, 108904615), (20, 87123692), (40, 43561846), (80, 21780923)]