127921480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{35933}}^1$

素因数の和:36033

約数の個数: 32

約数和(自身を含む): 291065400

約数和(自身を除く): 163143920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 35933, 71866, 143732, 179665, 287464, 359330, 718660, 1437320, 3198037, 6396074, 12792148, 15990185, 25584296, 31980370, 63960740, 127921480]

約数ペア:

[(1, 127921480), (2, 63960740), (4, 31980370), (5, 25584296), (8, 15990185), (10, 12792148), (20, 6396074), (40, 3198037), (89, 1437320), (178, 718660), (356, 359330), (445, 287464), (712, 179665), (890, 143732), (1780, 71866), (3560, 35933)]