201105280

素因数分解:

$2^7\times 5^1\times {\mathrm{314227}}^1$

素因数の和:314246

約数の個数: 32

約数和(自身を含む): 480768840

約数和(自身を除く): 279663560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314227, 628454, 1256908, 1571135, 2513816, 3142270, 5027632, 6284540, 10055264, 12569080, 20110528, 25138160, 40221056, 50276320, 100552640, 201105280]

約数ペア:

[(1, 201105280), (2, 100552640), (4, 50276320), (5, 40221056), (8, 25138160), (10, 20110528), (16, 12569080), (20, 10055264), (32, 6284540), (40, 5027632), (64, 3142270), (80, 2513816), (128, 1571135), (160, 1256908), (320, 628454), (640, 314227)]