27640960

素因数分解:

$2^7\times 5^1\times {\mathrm{43189}}^1$

素因数の和:43208

約数の個数: 32

約数和(自身を含む): 66080700

約数和(自身を除く): 38439740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43189, 86378, 172756, 215945, 345512, 431890, 691024, 863780, 1382048, 1727560, 2764096, 3455120, 5528192, 6910240, 13820480, 27640960]

約数ペア:

[(1, 27640960), (2, 13820480), (4, 6910240), (5, 5528192), (8, 3455120), (10, 2764096), (16, 1727560), (20, 1382048), (32, 863780), (40, 691024), (64, 431890), (80, 345512), (128, 215945), (160, 172756), (320, 86378), (640, 43189)]