2489980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5413}}^1$

素因数の和:5445

約数の個数: 24

約数和(自身を含む): 5457312

約数和(自身を除く): 2967332

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 5413, 10826, 21652, 27065, 54130, 108260, 124499, 248998, 497996, 622495, 1244990, 2489980]

約数ペア:

[(1, 2489980), (2, 1244990), (4, 622495), (5, 497996), (10, 248998), (20, 124499), (23, 108260), (46, 54130), (92, 27065), (115, 21652), (230, 10826), (460, 5413)]