878320

素因数分解:

$2^4\times 5^1\times {\mathrm{10979}}^1$

素因数の和:10992

約数の個数: 20

約数和(自身を含む): 2042280

約数和(自身を除く): 1163960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10979, 21958, 43916, 54895, 87832, 109790, 175664, 219580, 439160, 878320]

約数ペア:

[(1, 878320), (2, 439160), (4, 219580), (5, 175664), (8, 109790), (10, 87832), (16, 54895), (20, 43916), (40, 21958), (80, 10979)]