2121680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2411}}^1$

素因数の和:2435

約数の個数: 40

約数和(自身を含む): 5383584

約数和(自身を除く): 3261904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2411, 4822, 9644, 12055, 19288, 24110, 26521, 38576, 48220, 53042, 96440, 106084, 132605, 192880, 212168, 265210, 424336, 530420, 1060840, 2121680]

約数ペア:

[(1, 2121680), (2, 1060840), (4, 530420), (5, 424336), (8, 265210), (10, 212168), (11, 192880), (16, 132605), (20, 106084), (22, 96440), (40, 53042), (44, 48220), (55, 38576), (80, 26521), (88, 24110), (110, 19288), (176, 12055), (220, 9644), (440, 4822), (880, 2411)]