8639720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9391}}^1$

素因数の和:9425

約数の個数: 32

約数和(自身を含む): 20286720

約数和(自身を除く): 11647000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 9391, 18782, 37564, 46955, 75128, 93910, 187820, 215993, 375640, 431986, 863972, 1079965, 1727944, 2159930, 4319860, 8639720]

約数ペア:

[(1, 8639720), (2, 4319860), (4, 2159930), (5, 1727944), (8, 1079965), (10, 863972), (20, 431986), (23, 375640), (40, 215993), (46, 187820), (92, 93910), (115, 75128), (184, 46955), (230, 37564), (460, 18782), (920, 9391)]