200906240

素因数分解:

$2^9\times 5^1\times {\mathrm{78479}}^1$

素因数の和:78502

約数の個数: 40

約数和(自身を含む): 481710240

約数和(自身を除く): 280804000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 78479, 156958, 313916, 392395, 627832, 784790, 1255664, 1569580, 2511328, 3139160, 5022656, 6278320, 10045312, 12556640, 20090624, 25113280, 40181248, 50226560, 100453120, 200906240]

約数ペア:

[(1, 200906240), (2, 100453120), (4, 50226560), (5, 40181248), (8, 25113280), (10, 20090624), (16, 12556640), (20, 10045312), (32, 6278320), (40, 5022656), (64, 3139160), (80, 2511328), (128, 1569580), (160, 1255664), (256, 784790), (320, 627832), (512, 392395), (640, 313916), (1280, 156958), (2560, 78479)]