66860420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2393}}^1$

素因数の和:2540

約数の個数: 48

約数和(自身を含む): 154441728

約数和(自身を除く): 87581308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1270, 1397, 2393, 2540, 2794, 4786, 5588, 6985, 9572, 11965, 13970, 23930, 26323, 27940, 47860, 52646, 105292, 131615, 263230, 303911, 526460, 607822, 1215644, 1519555, 3039110, 3343021, 6078220, 6686042, 13372084, 16715105, 33430210, 66860420]

約数ペア:

[(1, 66860420), (2, 33430210), (4, 16715105), (5, 13372084), (10, 6686042), (11, 6078220), (20, 3343021), (22, 3039110), (44, 1519555), (55, 1215644), (110, 607822), (127, 526460), (220, 303911), (254, 263230), (508, 131615), (635, 105292), (1270, 52646), (1397, 47860), (2393, 27940), (2540, 26323), (2794, 23930), (4786, 13970), (5588, 11965), (6985, 9572)]