51147580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1697}}^1$

素因数の和:1854

約数の個数: 48

約数和(自身を含む): 118099296

約数和(自身を除く): 66951716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 1697, 2740, 3014, 3394, 6028, 6788, 7535, 8485, 15070, 16970, 18667, 30140, 33940, 37334, 74668, 93335, 186670, 232489, 373340, 464978, 929956, 1162445, 2324890, 2557379, 4649780, 5114758, 10229516, 12786895, 25573790, 51147580]

約数ペア:

[(1, 51147580), (2, 25573790), (4, 12786895), (5, 10229516), (10, 5114758), (11, 4649780), (20, 2557379), (22, 2324890), (44, 1162445), (55, 929956), (110, 464978), (137, 373340), (220, 232489), (274, 186670), (548, 93335), (685, 74668), (1370, 37334), (1507, 33940), (1697, 30140), (2740, 18667), (3014, 16970), (3394, 15070), (6028, 8485), (6788, 7535)]