2117680

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 4990752

約数和(自身を除く): 2873072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 257, 412, 514, 515, 824, 1028, 1030, 1285, 1648, 2056, 2060, 2570, 4112, 4120, 5140, 8240, 10280, 20560, 26471, 52942, 105884, 132355, 211768, 264710, 423536, 529420, 1058840, 2117680]

約数ペア:

[(1, 2117680), (2, 1058840), (4, 529420), (5, 423536), (8, 264710), (10, 211768), (16, 132355), (20, 105884), (40, 52942), (80, 26471), (103, 20560), (206, 10280), (257, 8240), (412, 5140), (514, 4120), (515, 4112), (824, 2570), (1028, 2060), (1030, 2056), (1285, 1648)]