28849040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32783}}^1$

素因数の和:32807

約数の個数: 40

約数和(自身を含む): 73173888

約数和(自身を除く): 44324848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32783, 65566, 131132, 163915, 262264, 327830, 360613, 524528, 655660, 721226, 1311320, 1442452, 1803065, 2622640, 2884904, 3606130, 5769808, 7212260, 14424520, 28849040]

約数ペア:

[(1, 28849040), (2, 14424520), (4, 7212260), (5, 5769808), (8, 3606130), (10, 2884904), (11, 2622640), (16, 1803065), (20, 1442452), (22, 1311320), (40, 721226), (44, 655660), (55, 524528), (80, 360613), (88, 327830), (110, 262264), (176, 163915), (220, 131132), (440, 65566), (880, 32783)]