27997120

素因数分解:

$2^6\times 5^1\times {\mathrm{87491}}^1$

素因数の和:87508

約数の個数: 28

約数和(自身を含む): 66668904

約数和(自身を除く): 38671784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 87491, 174982, 349964, 437455, 699928, 874910, 1399856, 1749820, 2799712, 3499640, 5599424, 6999280, 13998560, 27997120]

約数ペア:

[(1, 27997120), (2, 13998560), (4, 6999280), (5, 5599424), (8, 3499640), (10, 2799712), (16, 1749820), (20, 1399856), (32, 874910), (40, 699928), (64, 437455), (80, 349964), (160, 174982), (320, 87491)]