11019920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 25831680

約数和(自身を除く): 14811760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 991, 1112, 1390, 1982, 2224, 2780, 3964, 4955, 5560, 7928, 9910, 11120, 15856, 19820, 39640, 79280, 137749, 275498, 550996, 688745, 1101992, 1377490, 2203984, 2754980, 5509960, 11019920]

約数ペア:

[(1, 11019920), (2, 5509960), (4, 2754980), (5, 2203984), (8, 1377490), (10, 1101992), (16, 688745), (20, 550996), (40, 275498), (80, 137749), (139, 79280), (278, 39640), (556, 19820), (695, 15856), (991, 11120), (1112, 9910), (1390, 7928), (1982, 5560), (2224, 4955), (2780, 3964)]