27658580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 60011280

約数和(自身を除く): 32352700

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 269, 388, 485, 530, 538, 970, 1060, 1076, 1345, 1940, 2690, 5141, 5380, 10282, 14257, 20564, 25705, 26093, 28514, 51410, 52186, 57028, 71285, 102820, 104372, 130465, 142570, 260930, 285140, 521860, 1382929, 2765858, 5531716, 6914645, 13829290, 27658580]

約数ペア:

[(1, 27658580), (2, 13829290), (4, 6914645), (5, 5531716), (10, 2765858), (20, 1382929), (53, 521860), (97, 285140), (106, 260930), (194, 142570), (212, 130465), (265, 104372), (269, 102820), (388, 71285), (485, 57028), (530, 52186), (538, 51410), (970, 28514), (1060, 26093), (1076, 25705), (1345, 20564), (1940, 14257), (2690, 10282), (5141, 5380)]