81957040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93133}}^1$

素因数の和:93157

約数の個数: 40

約数和(自身を含む): 207875088

約数和(自身を除く): 125918048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 93133, 186266, 372532, 465665, 745064, 931330, 1024463, 1490128, 1862660, 2048926, 3725320, 4097852, 5122315, 7450640, 8195704, 10244630, 16391408, 20489260, 40978520, 81957040]

約数ペア:

[(1, 81957040), (2, 40978520), (4, 20489260), (5, 16391408), (8, 10244630), (10, 8195704), (11, 7450640), (16, 5122315), (20, 4097852), (22, 3725320), (40, 2048926), (44, 1862660), (55, 1490128), (80, 1024463), (88, 931330), (110, 745064), (176, 465665), (220, 372532), (440, 186266), (880, 93133)]