889520

素因数分解:

$2^4\times 5^1\times {\mathrm{11119}}^1$

素因数の和:11132

約数の個数: 20

約数和(自身を含む): 2068320

約数和(自身を除く): 1178800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11119, 22238, 44476, 55595, 88952, 111190, 177904, 222380, 444760, 889520]

約数ペア:

[(1, 889520), (2, 444760), (4, 222380), (5, 177904), (8, 111190), (10, 88952), (16, 55595), (20, 44476), (40, 22238), (80, 11119)]