78159980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{169913}}^1$

素因数の和:169945

約数の個数: 24

約数和(自身を含む): 171273312

約数和(自身を除く): 93113332

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 169913, 339826, 679652, 849565, 1699130, 3398260, 3907999, 7815998, 15631996, 19539995, 39079990, 78159980]

約数ペア:

[(1, 78159980), (2, 39079990), (4, 19539995), (5, 15631996), (10, 7815998), (20, 3907999), (23, 3398260), (46, 1699130), (92, 849565), (115, 679652), (230, 339826), (460, 169913)]