15488240

素因数分解:

$2^4\times 5^1\times {\mathrm{193603}}^1$

素因数の和:193616

約数の個数: 20

約数和(自身を含む): 36010344

約数和(自身を除く): 20522104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193603, 387206, 774412, 968015, 1548824, 1936030, 3097648, 3872060, 7744120, 15488240]

約数ペア:

[(1, 15488240), (2, 7744120), (4, 3872060), (5, 3097648), (8, 1936030), (10, 1548824), (16, 968015), (20, 774412), (40, 387206), (80, 193603)]