8470720

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 56

約数和(自身を含む): 20445984

約数和(自身を除く): 11975264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 257, 320, 412, 514, 515, 824, 1028, 1030, 1285, 1648, 2056, 2060, 2570, 3296, 4112, 4120, 5140, 6592, 8224, 8240, 10280, 16448, 16480, 20560, 26471, 32960, 41120, 52942, 82240, 105884, 132355, 211768, 264710, 423536, 529420, 847072, 1058840, 1694144, 2117680, 4235360, 8470720]

約数ペア:

[(1, 8470720), (2, 4235360), (4, 2117680), (5, 1694144), (8, 1058840), (10, 847072), (16, 529420), (20, 423536), (32, 264710), (40, 211768), (64, 132355), (80, 105884), (103, 82240), (160, 52942), (206, 41120), (257, 32960), (320, 26471), (412, 20560), (514, 16480), (515, 16448), (824, 10280), (1028, 8240), (1030, 8224), (1285, 6592), (1648, 5140), (2056, 4120), (2060, 4112), (2570, 3296)]