1123243880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{20101}}^1$

素因数の和:20250

約数の個数: 64

約数和(自身を含む): 2778900480

約数和(自身を除く): 1655656600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 508, 635, 1016, 1270, 1397, 2540, 2794, 5080, 5588, 6985, 11176, 13970, 20101, 27940, 40202, 55880, 80404, 100505, 160808, 201010, 221111, 402020, 442222, 804040, 884444, 1105555, 1768888, 2211110, 2552827, 4422220, 5105654, 8844440, 10211308, 12764135, 20422616, 25528270, 28081097, 51056540, 56162194, 102113080, 112324388, 140405485, 224648776, 280810970, 561621940, 1123243880]

約数ペア:

[(1, 1123243880), (2, 561621940), (4, 280810970), (5, 224648776), (8, 140405485), (10, 112324388), (11, 102113080), (20, 56162194), (22, 51056540), (40, 28081097), (44, 25528270), (55, 20422616), (88, 12764135), (110, 10211308), (127, 8844440), (220, 5105654), (254, 4422220), (440, 2552827), (508, 2211110), (635, 1768888), (1016, 1105555), (1270, 884444), (1397, 804040), (2540, 442222), (2794, 402020), (5080, 221111), (5588, 201010), (6985, 160808), (11176, 100505), (13970, 80404), (20101, 55880), (27940, 40202)]