215626480

素因数分解:

$2^4\times 5^1\times {\mathrm{2695331}}^1$

素因数の和:2695344

約数の個数: 20

約数和(自身を含む): 501331752

約数和(自身を除く): 285705272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2695331, 5390662, 10781324, 13476655, 21562648, 26953310, 43125296, 53906620, 107813240, 215626480]

約数ペア:

[(1, 215626480), (2, 107813240), (4, 53906620), (5, 43125296), (8, 26953310), (10, 21562648), (16, 13476655), (20, 10781324), (40, 5390662), (80, 2695331)]