4430680

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 10031040

約数和(自身を除く): 5600360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 431, 514, 862, 1028, 1285, 1724, 2056, 2155, 2570, 3448, 4310, 5140, 8620, 10280, 17240, 110767, 221534, 443068, 553835, 886136, 1107670, 2215340, 4430680]

約数ペア:

[(1, 4430680), (2, 2215340), (4, 1107670), (5, 886136), (8, 553835), (10, 443068), (20, 221534), (40, 110767), (257, 17240), (431, 10280), (514, 8620), (862, 5140), (1028, 4310), (1285, 3448), (1724, 2570), (2056, 2155)]