8464840

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 19128960

約数和(自身を除く): 10664120

約数列:

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

約数ペア:

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