29704520

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1723}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 67029120

約数和(自身を除く): 37324600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1723, 1724, 2155, 3446, 3448, 4310, 6892, 8615, 8620, 13784, 17230, 17240, 34460, 68920, 742613, 1485226, 2970452, 3713065, 5940904, 7426130, 14852260, 29704520]

約数ペア:

[(1, 29704520), (2, 14852260), (4, 7426130), (5, 5940904), (8, 3713065), (10, 2970452), (20, 1485226), (40, 742613), (431, 68920), (862, 34460), (1723, 17240), (1724, 17230), (2155, 13784), (3446, 8620), (3448, 8615), (4310, 6892)]