51295540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 110193552

約数和(自身を除く): 58898012

約数列:

[1, 2, 4, 5, 10, 20, 97, 137, 193, 194, 274, 386, 388, 485, 548, 685, 772, 965, 970, 1370, 1930, 1940, 2740, 3860, 13289, 18721, 26441, 26578, 37442, 52882, 53156, 66445, 74884, 93605, 105764, 132205, 132890, 187210, 264410, 265780, 374420, 528820, 2564777, 5129554, 10259108, 12823885, 25647770, 51295540]

約数ペア:

[(1, 51295540), (2, 25647770), (4, 12823885), (5, 10259108), (10, 5129554), (20, 2564777), (97, 528820), (137, 374420), (193, 265780), (194, 264410), (274, 187210), (386, 132890), (388, 132205), (485, 105764), (548, 93605), (685, 74884), (772, 66445), (965, 53156), (970, 52882), (1370, 37442), (1930, 26578), (1940, 26441), (2740, 18721), (3860, 13289)]