56791480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19997}}^1$

素因数の和:20079

約数の個数: 32

約数和(自身を含む): 129587040

約数和(自身を除く): 72795560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19997, 39994, 79988, 99985, 159976, 199970, 399940, 799880, 1419787, 2839574, 5679148, 7098935, 11358296, 14197870, 28395740, 56791480]

約数ペア:

[(1, 56791480), (2, 28395740), (4, 14197870), (5, 11358296), (8, 7098935), (10, 5679148), (20, 2839574), (40, 1419787), (71, 799880), (142, 399940), (284, 199970), (355, 159976), (568, 99985), (710, 79988), (1420, 39994), (2840, 19997)]