8820040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9587}}^1$

素因数の和:9621

約数の個数: 32

約数和(自身を含む): 20710080

約数和(自身を除く): 11890040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 9587, 19174, 38348, 47935, 76696, 95870, 191740, 220501, 383480, 441002, 882004, 1102505, 1764008, 2205010, 4410020, 8820040]

約数ペア:

[(1, 8820040), (2, 4410020), (4, 2205010), (5, 1764008), (8, 1102505), (10, 882004), (20, 441002), (23, 383480), (40, 220501), (46, 191740), (92, 95870), (115, 76696), (184, 47935), (230, 38348), (460, 19174), (920, 9587)]