12481520

素因数分解:

$2^4\times 5^1\times {\mathrm{156019}}^1$

素因数の和:156032

約数の個数: 20

約数和(自身を含む): 29019720

約数和(自身を除く): 16538200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156019, 312038, 624076, 780095, 1248152, 1560190, 2496304, 3120380, 6240760, 12481520]

約数ペア:

[(1, 12481520), (2, 6240760), (4, 3120380), (5, 2496304), (8, 1560190), (10, 1248152), (16, 780095), (20, 624076), (40, 312038), (80, 156019)]