54789520

素因数分解:

$2^4\times 5^1\times {\mathrm{684869}}^1$

素因数の和:684882

約数の個数: 20

約数和(自身を含む): 127385820

約数和(自身を除く): 72596300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 684869, 1369738, 2739476, 3424345, 5478952, 6848690, 10957904, 13697380, 27394760, 54789520]

約数ペア:

[(1, 54789520), (2, 27394760), (4, 13697380), (5, 10957904), (8, 6848690), (10, 5478952), (16, 3424345), (20, 2739476), (40, 1369738), (80, 684869)]