20066888320

素因数分解:

$2^7\times 5^1\times {\mathrm{31354513}}^1$

素因数の和:31354532

約数の個数: 32

約数和(自身を含む): 47972406420

約数和(自身を除く): 27905518100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31354513, 62709026, 125418052, 156772565, 250836104, 313545130, 501672208, 627090260, 1003344416, 1254180520, 2006688832, 2508361040, 4013377664, 5016722080, 10033444160, 20066888320]

約数ペア:

[(1, 20066888320), (2, 10033444160), (4, 5016722080), (5, 4013377664), (8, 2508361040), (10, 2006688832), (16, 1254180520), (20, 1003344416), (32, 627090260), (40, 501672208), (64, 313545130), (80, 250836104), (128, 156772565), (160, 125418052), (320, 62709026), (640, 31354513)]