159486520720

素因数分解:

$2^4\times 5^1\times {\mathrm{1993581509}}^1$

素因数の和:1993581522

約数の個数: 20

約数和(自身を含む): 370806160860

約数和(自身を除く): 211319640140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1993581509, 3987163018, 7974326036, 9967907545, 15948652072, 19935815090, 31897304144, 39871630180, 79743260360, 159486520720]

約数ペア:

[(1, 159486520720), (2, 79743260360), (4, 39871630180), (5, 31897304144), (8, 19935815090), (10, 15948652072), (16, 9967907545), (20, 7974326036), (40, 3987163018), (80, 1993581509)]