16929680

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1$

素因数の和:935

約数の個数: 40

約数和(自身を含む): 39533184

約数和(自身を除く): 22603504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 491, 862, 982, 1724, 1964, 2155, 2455, 3448, 3928, 4310, 4910, 6896, 7856, 8620, 9820, 17240, 19640, 34480, 39280, 211621, 423242, 846484, 1058105, 1692968, 2116210, 3385936, 4232420, 8464840, 16929680]

約数ペア:

[(1, 16929680), (2, 8464840), (4, 4232420), (5, 3385936), (8, 2116210), (10, 1692968), (16, 1058105), (20, 846484), (40, 423242), (80, 211621), (431, 39280), (491, 34480), (862, 19640), (982, 17240), (1724, 9820), (1964, 8620), (2155, 7856), (2455, 6896), (3448, 4910), (3928, 4310)]