42940280

素因数分解:

$2^3\times 5^1\times {\mathrm{1073507}}^1$

素因数の和:1073518

約数の個数: 16

約数和(自身を含む): 96615720

約数和(自身を除く): 53675440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1073507, 2147014, 4294028, 5367535, 8588056, 10735070, 21470140, 42940280]

約数ペア:

[(1, 42940280), (2, 21470140), (4, 10735070), (5, 8588056), (8, 5367535), (10, 4294028), (20, 2147014), (40, 1073507)]