27884120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 69120000

約数和(自身を除く): 41235880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 499, 508, 635, 998, 1016, 1270, 1397, 1996, 2495, 2540, 2794, 3992, 4990, 5080, 5489, 5588, 6985, 9980, 10978, 11176, 13970, 19960, 21956, 27445, 27940, 43912, 54890, 55880, 63373, 109780, 126746, 219560, 253492, 316865, 506984, 633730, 697103, 1267460, 1394206, 2534920, 2788412, 3485515, 5576824, 6971030, 13942060, 27884120]

約数ペア:

[(1, 27884120), (2, 13942060), (4, 6971030), (5, 5576824), (8, 3485515), (10, 2788412), (11, 2534920), (20, 1394206), (22, 1267460), (40, 697103), (44, 633730), (55, 506984), (88, 316865), (110, 253492), (127, 219560), (220, 126746), (254, 109780), (440, 63373), (499, 55880), (508, 54890), (635, 43912), (998, 27940), (1016, 27445), (1270, 21956), (1397, 19960), (1996, 13970), (2495, 11176), (2540, 10978), (2794, 9980), (3992, 6985), (4990, 5588), (5080, 5489)]