209465937280

素因数分解:

$2^7\times 5^1\times {\mathrm{327290527}}^1$

素因数の和:327290546

約数の個数: 32

約数和(自身を含む): 500754507840

約数和(自身を除く): 291288570560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 327290527, 654581054, 1309162108, 1636452635, 2618324216, 3272905270, 5236648432, 6545810540, 10473296864, 13091621080, 20946593728, 26183242160, 41893187456, 52366484320, 104732968640, 209465937280]

約数ペア:

[(1, 209465937280), (2, 104732968640), (4, 52366484320), (5, 41893187456), (8, 26183242160), (10, 20946593728), (16, 13091621080), (20, 10473296864), (32, 6545810540), (40, 5236648432), (64, 3272905270), (80, 2618324216), (128, 1636452635), (160, 1309162108), (320, 654581054), (640, 327290527)]