28747720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5659}}^1$

素因数の和:5797

約数の個数: 32

約数和(自身を含む): 65203200

約数和(自身を除く): 36455480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 5659, 11318, 22636, 28295, 45272, 56590, 113180, 226360, 718693, 1437386, 2874772, 3593465, 5749544, 7186930, 14373860, 28747720]

約数ペア:

[(1, 28747720), (2, 14373860), (4, 7186930), (5, 5749544), (8, 3593465), (10, 2874772), (20, 1437386), (40, 718693), (127, 226360), (254, 113180), (508, 56590), (635, 45272), (1016, 28295), (1270, 22636), (2540, 11318), (5080, 5659)]