1880720

素因数分解:

$2^4\times 5^1\times {\mathrm{23509}}^1$

素因数の和:23522

約数の個数: 20

約数和(自身を含む): 4372860

約数和(自身を除く): 2492140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23509, 47018, 94036, 117545, 188072, 235090, 376144, 470180, 940360, 1880720]

約数ペア:

[(1, 1880720), (2, 940360), (4, 470180), (5, 376144), (8, 235090), (10, 188072), (16, 117545), (20, 94036), (40, 47018), (80, 23509)]