158546560

素因数分解:

$2^7\times 5^1\times {\mathrm{247729}}^1$

素因数の和:247748

約数の個数: 32

約数和(自身を含む): 379026900

約数和(自身を除く): 220480340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 247729, 495458, 990916, 1238645, 1981832, 2477290, 3963664, 4954580, 7927328, 9909160, 15854656, 19818320, 31709312, 39636640, 79273280, 158546560]

約数ペア:

[(1, 158546560), (2, 79273280), (4, 39636640), (5, 31709312), (8, 19818320), (10, 15854656), (16, 9909160), (20, 7927328), (32, 4954580), (40, 3963664), (64, 2477290), (80, 1981832), (128, 1238645), (160, 990916), (320, 495458), (640, 247729)]