40580072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{390193}}^1$

素因数の和:390212

約数の個数: 16

約数和(自身を含む): 81940740

約数和(自身を除く): 41360668

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 390193, 780386, 1560772, 3121544, 5072509, 10145018, 20290036, 40580072]

約数ペア:

[(1, 40580072), (2, 20290036), (4, 10145018), (8, 5072509), (13, 3121544), (26, 1560772), (52, 780386), (104, 390193)]