27840440

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1523}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 62819280

約数和(自身を除く): 34978840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1523, 1828, 2285, 3046, 3656, 4570, 6092, 7615, 9140, 12184, 15230, 18280, 30460, 60920, 696011, 1392022, 2784044, 3480055, 5568088, 6960110, 13920220, 27840440]

約数ペア:

[(1, 27840440), (2, 13920220), (4, 6960110), (5, 5568088), (8, 3480055), (10, 2784044), (20, 1392022), (40, 696011), (457, 60920), (914, 30460), (1523, 18280), (1828, 15230), (2285, 12184), (3046, 9140), (3656, 7615), (4570, 6092)]