27322780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 59867136

約数和(自身を除く): 32544356

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 347, 508, 620, 635, 694, 1270, 1388, 1735, 2540, 3470, 3937, 6940, 7874, 10757, 15748, 19685, 21514, 39370, 43028, 44069, 53785, 78740, 88138, 107570, 176276, 215140, 220345, 440690, 881380, 1366139, 2732278, 5464556, 6830695, 13661390, 27322780]

約数ペア:

[(1, 27322780), (2, 13661390), (4, 6830695), (5, 5464556), (10, 2732278), (20, 1366139), (31, 881380), (62, 440690), (124, 220345), (127, 215140), (155, 176276), (254, 107570), (310, 88138), (347, 78740), (508, 53785), (620, 44069), (635, 43028), (694, 39370), (1270, 21514), (1388, 19685), (1735, 15748), (2540, 10757), (3470, 7874), (3937, 6940)]