28057040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31883}}^1$

素因数の和:31907

約数の個数: 40

約数和(自身を含む): 71165088

約数和(自身を除く): 43108048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31883, 63766, 127532, 159415, 255064, 318830, 350713, 510128, 637660, 701426, 1275320, 1402852, 1753565, 2550640, 2805704, 3507130, 5611408, 7014260, 14028520, 28057040]

約数ペア:

[(1, 28057040), (2, 14028520), (4, 7014260), (5, 5611408), (8, 3507130), (10, 2805704), (11, 2550640), (16, 1753565), (20, 1402852), (22, 1275320), (40, 701426), (44, 637660), (55, 510128), (80, 350713), (88, 318830), (110, 255064), (176, 159415), (220, 127532), (440, 63766), (880, 31883)]