27911120

素因数分解:

$2^4\times 5^1\times {\mathrm{348889}}^1$

素因数の和:348902

約数の個数: 20

約数和(自身を含む): 64893540

約数和(自身を除く): 36982420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348889, 697778, 1395556, 1744445, 2791112, 3488890, 5582224, 6977780, 13955560, 27911120]

約数ペア:

[(1, 27911120), (2, 13955560), (4, 6977780), (5, 5582224), (8, 3488890), (10, 2791112), (16, 1744445), (20, 1395556), (40, 697778), (80, 348889)]