42780280

素因数分解:

$2^3\times 5^1\times {\mathrm{1069507}}^1$

素因数の和:1069518

約数の個数: 16

約数和(自身を含む): 96255720

約数和(自身を除く): 53475440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069507, 2139014, 4278028, 5347535, 8556056, 10695070, 21390140, 42780280]

約数ペア:

[(1, 42780280), (2, 21390140), (4, 10695070), (5, 8556056), (8, 5347535), (10, 4278028), (20, 2139014), (40, 1069507)]