40740010

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{4111}}^1$

素因数の和:5109

約数の個数: 16

約数和(自身を含む): 73423872

約数和(自身を除く): 32683862

約数列:

[1, 2, 5, 10, 991, 1982, 4111, 4955, 8222, 9910, 20555, 41110, 4074001, 8148002, 20370005, 40740010]

約数ペア:

[(1, 40740010), (2, 20370005), (5, 8148002), (10, 4074001), (991, 41110), (1982, 20555), (4111, 9910), (4955, 8222)]