127453720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{74101}}^1$

素因数の和:74155

約数の個数: 32

約数和(自身を含む): 293443920

約数和(自身を除く): 165990200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 74101, 148202, 296404, 370505, 592808, 741010, 1482020, 2964040, 3186343, 6372686, 12745372, 15931715, 25490744, 31863430, 63726860, 127453720]

約数ペア:

[(1, 127453720), (2, 63726860), (4, 31863430), (5, 25490744), (8, 15931715), (10, 12745372), (20, 6372686), (40, 3186343), (43, 2964040), (86, 1482020), (172, 741010), (215, 592808), (344, 370505), (430, 296404), (860, 148202), (1720, 74101)]