54645560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 128286720

約数和(自身を除く): 73641160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 347, 508, 620, 635, 694, 1016, 1240, 1270, 1388, 1735, 2540, 2776, 3470, 3937, 5080, 6940, 7874, 10757, 13880, 15748, 19685, 21514, 31496, 39370, 43028, 44069, 53785, 78740, 86056, 88138, 107570, 157480, 176276, 215140, 220345, 352552, 430280, 440690, 881380, 1366139, 1762760, 2732278, 5464556, 6830695, 10929112, 13661390, 27322780, 54645560]

約数ペア:

[(1, 54645560), (2, 27322780), (4, 13661390), (5, 10929112), (8, 6830695), (10, 5464556), (20, 2732278), (31, 1762760), (40, 1366139), (62, 881380), (124, 440690), (127, 430280), (155, 352552), (248, 220345), (254, 215140), (310, 176276), (347, 157480), (508, 107570), (620, 88138), (635, 86056), (694, 78740), (1016, 53785), (1240, 44069), (1270, 43028), (1388, 39370), (1735, 31496), (2540, 21514), (2776, 19685), (3470, 15748), (3937, 13880), (5080, 10757), (6940, 7874)]