54240040

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1723}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 122266080

約数和(自身を除く): 68026040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 1723, 3148, 3446, 3935, 6296, 6892, 7870, 8615, 13784, 15740, 17230, 31480, 34460, 68920, 1356001, 2712002, 5424004, 6780005, 10848008, 13560010, 27120020, 54240040]

約数ペア:

[(1, 54240040), (2, 27120020), (4, 13560010), (5, 10848008), (8, 6780005), (10, 5424004), (20, 2712002), (40, 1356001), (787, 68920), (1574, 34460), (1723, 31480), (3148, 17230), (3446, 15740), (3935, 13784), (6296, 8615), (6892, 7870)]