12180725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 15969960

約数和(自身を除く): 3789235

約数列:

[1, 5, 25, 29, 53, 145, 265, 317, 725, 1325, 1537, 1585, 7685, 7925, 9193, 16801, 38425, 45965, 84005, 229825, 420025, 487229, 2436145, 12180725]

約数ペア:

[(1, 12180725), (5, 2436145), (25, 487229), (29, 420025), (53, 229825), (145, 84005), (265, 45965), (317, 38425), (725, 16801), (1325, 9193), (1537, 7925), (1585, 7685)]