40043408

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{47221}}^1$

素因数の和:47282

約数の個数: 20

約数和(自身を含む): 79049628

約数和(自身を除く): 39006220

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 47221, 94442, 188884, 377768, 755536, 2502713, 5005426, 10010852, 20021704, 40043408]

約数ペア:

[(1, 40043408), (2, 20021704), (4, 10010852), (8, 5005426), (16, 2502713), (53, 755536), (106, 377768), (212, 188884), (424, 94442), (848, 47221)]