12780725

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 16722888

約数和(自身を除く): 3942163

約数列:

[1, 5, 25, 37, 41, 185, 205, 337, 925, 1025, 1517, 1685, 7585, 8425, 12469, 13817, 37925, 62345, 69085, 311725, 345425, 511229, 2556145, 12780725]

約数ペア:

[(1, 12780725), (5, 2556145), (25, 511229), (37, 345425), (41, 311725), (185, 69085), (205, 62345), (337, 37925), (925, 13817), (1025, 12469), (1517, 8425), (1685, 7585)]