28480

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1$

素因数の和:106

約数の個数: 28

約数和(自身を含む): 68580

約数和(自身を除く): 40100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 14240, 28480]

約数ペア:

[(1, 28480), (2, 14240), (4, 7120), (5, 5696), (8, 3560), (10, 2848), (16, 1780), (20, 1424), (32, 890), (40, 712), (64, 445), (80, 356), (89, 320), (160, 178)]