12601520

素因数分解:

$2^4\times 5^1\times {\mathrm{157519}}^1$

素因数の和:157532

約数の個数: 20

約数和(自身を含む): 29298720

約数和(自身を除く): 16697200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157519, 315038, 630076, 787595, 1260152, 1575190, 2520304, 3150380, 6300760, 12601520]

約数ペア:

[(1, 12601520), (2, 6300760), (4, 3150380), (5, 2520304), (8, 1575190), (10, 1260152), (16, 787595), (20, 630076), (40, 315038), (80, 157519)]