40550080

素因数分解:

$2^6\times 5^1\times {\mathrm{126719}}^1$

素因数の和:126736

約数の個数: 28

約数和(自身を含む): 96560640

約数和(自身を除く): 56010560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 126719, 253438, 506876, 633595, 1013752, 1267190, 2027504, 2534380, 4055008, 5068760, 8110016, 10137520, 20275040, 40550080]

約数ペア:

[(1, 40550080), (2, 20275040), (4, 10137520), (5, 8110016), (8, 5068760), (10, 4055008), (16, 2534380), (20, 2027504), (32, 1267190), (40, 1013752), (64, 633595), (80, 506876), (160, 253438), (320, 126719)]