28216960

素因数分解:

$2^7\times 5^1\times {\mathrm{44089}}^1$

素因数の和:44108

約数の個数: 32

約数和(自身を含む): 67457700

約数和(自身を除く): 39240740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44089, 88178, 176356, 220445, 352712, 440890, 705424, 881780, 1410848, 1763560, 2821696, 3527120, 5643392, 7054240, 14108480, 28216960]

約数ペア:

[(1, 28216960), (2, 14108480), (4, 7054240), (5, 5643392), (8, 3527120), (10, 2821696), (16, 1763560), (20, 1410848), (32, 881780), (40, 705424), (64, 440890), (80, 352712), (128, 220445), (160, 176356), (320, 88178), (640, 44089)]