87939080

素因数分解:

$2^3\times 5^1\times {\mathrm{2198477}}^1$

素因数の和:2198488

約数の個数: 16

約数和(自身を含む): 197863020

約数和(自身を除く): 109923940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2198477, 4396954, 8793908, 10992385, 17587816, 21984770, 43969540, 87939080]

約数ペア:

[(1, 87939080), (2, 43969540), (4, 21984770), (5, 17587816), (8, 10992385), (10, 8793908), (20, 4396954), (40, 2198477)]