85280140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{883}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 196035840

約数和(自身を除く): 110755700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 878, 883, 1756, 1766, 2195, 3532, 4390, 4415, 4829, 8780, 8830, 9658, 9713, 17660, 19316, 19426, 24145, 38852, 48290, 48565, 96580, 97130, 194260, 387637, 775274, 1550548, 1938185, 3876370, 4264007, 7752740, 8528014, 17056028, 21320035, 42640070, 85280140]

約数ペア:

[(1, 85280140), (2, 42640070), (4, 21320035), (5, 17056028), (10, 8528014), (11, 7752740), (20, 4264007), (22, 3876370), (44, 1938185), (55, 1550548), (110, 775274), (220, 387637), (439, 194260), (878, 97130), (883, 96580), (1756, 48565), (1766, 48290), (2195, 38852), (3532, 24145), (4390, 19426), (4415, 19316), (4829, 17660), (8780, 9713), (8830, 9658)]