15668020880

素因数分解:

$2^4\times 5^1\times {\mathrm{195850261}}^1$

素因数の和:195850274

約数の個数: 20

約数和(自身を含む): 36428148732

約数和(自身を除く): 20760127852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195850261, 391700522, 783401044, 979251305, 1566802088, 1958502610, 3133604176, 3917005220, 7834010440, 15668020880]

約数ペア:

[(1, 15668020880), (2, 7834010440), (4, 3917005220), (5, 3133604176), (8, 1958502610), (10, 1566802088), (16, 979251305), (20, 783401044), (40, 391700522), (80, 195850261)]