16941440

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 41052960

約数和(自身を除く): 24111520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 257, 320, 412, 514, 515, 640, 824, 1028, 1030, 1285, 1648, 2056, 2060, 2570, 3296, 4112, 4120, 5140, 6592, 8224, 8240, 10280, 13184, 16448, 16480, 20560, 26471, 32896, 32960, 41120, 52942, 65920, 82240, 105884, 132355, 164480, 211768, 264710, 423536, 529420, 847072, 1058840, 1694144, 2117680, 3388288, 4235360, 8470720, 16941440]

約数ペア:

[(1, 16941440), (2, 8470720), (4, 4235360), (5, 3388288), (8, 2117680), (10, 1694144), (16, 1058840), (20, 847072), (32, 529420), (40, 423536), (64, 264710), (80, 211768), (103, 164480), (128, 132355), (160, 105884), (206, 82240), (257, 65920), (320, 52942), (412, 41120), (514, 32960), (515, 32896), (640, 26471), (824, 20560), (1028, 16480), (1030, 16448), (1285, 13184), (1648, 10280), (2056, 8240), (2060, 8224), (2570, 6592), (3296, 5140), (4112, 4120)]