54248920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 134265600

約数和(自身を除く): 80016680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 887, 1112, 1390, 1529, 1774, 2780, 3058, 3548, 4435, 5560, 6116, 7096, 7645, 8870, 9757, 12232, 15290, 17740, 19514, 30580, 35480, 39028, 48785, 61160, 78056, 97570, 123293, 195140, 246586, 390280, 493172, 616465, 986344, 1232930, 1356223, 2465860, 2712446, 4931720, 5424892, 6781115, 10849784, 13562230, 27124460, 54248920]

約数ペア:

[(1, 54248920), (2, 27124460), (4, 13562230), (5, 10849784), (8, 6781115), (10, 5424892), (11, 4931720), (20, 2712446), (22, 2465860), (40, 1356223), (44, 1232930), (55, 986344), (88, 616465), (110, 493172), (139, 390280), (220, 246586), (278, 195140), (440, 123293), (556, 97570), (695, 78056), (887, 61160), (1112, 48785), (1390, 39028), (1529, 35480), (1774, 30580), (2780, 19514), (3058, 17740), (3548, 15290), (4435, 12232), (5560, 9757), (6116, 8870), (7096, 7645)]