1028548880

素因数分解:

$2^4\times 5^1\times {\mathrm{12856861}}^1$

素因数の和:12856874

約数の個数: 20

約数和(自身を含む): 2391376332

約数和(自身を除く): 1362827452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12856861, 25713722, 51427444, 64284305, 102854888, 128568610, 205709776, 257137220, 514274440, 1028548880]

約数ペア:

[(1, 1028548880), (2, 514274440), (4, 257137220), (5, 205709776), (8, 128568610), (10, 102854888), (16, 64284305), (20, 51427444), (40, 25713722), (80, 12856861)]