49980040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113591}}^1$

素因数の和:113613

約数の個数: 32

約数和(自身を含む): 122679360

約数和(自身を除く): 72699320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 113591, 227182, 454364, 567955, 908728, 1135910, 1249501, 2271820, 2499002, 4543640, 4998004, 6247505, 9996008, 12495010, 24990020, 49980040]

約数ペア:

[(1, 49980040), (2, 24990020), (4, 12495010), (5, 9996008), (8, 6247505), (10, 4998004), (11, 4543640), (20, 2499002), (22, 2271820), (40, 1249501), (44, 1135910), (55, 908728), (88, 567955), (110, 454364), (220, 227182), (440, 113591)]