27806680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63197}}^1$

素因数の和:63219

約数の個数: 32

約数和(自身を含む): 68253840

約数和(自身を除く): 40447160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63197, 126394, 252788, 315985, 505576, 631970, 695167, 1263940, 1390334, 2527880, 2780668, 3475835, 5561336, 6951670, 13903340, 27806680]

約数ペア:

[(1, 27806680), (2, 13903340), (4, 6951670), (5, 5561336), (8, 3475835), (10, 2780668), (11, 2527880), (20, 1390334), (22, 1263940), (40, 695167), (44, 631970), (55, 505576), (88, 315985), (110, 252788), (220, 126394), (440, 63197)]