15604025

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 20088000

約数和(自身を除く): 4483975

約数列:

[1, 5, 25, 59, 71, 149, 295, 355, 745, 1475, 1775, 3725, 4189, 8791, 10579, 20945, 43955, 52895, 104725, 219775, 264475, 624161, 3120805, 15604025]

約数ペア:

[(1, 15604025), (5, 3120805), (25, 624161), (59, 264475), (71, 219775), (149, 104725), (295, 52895), (355, 43955), (745, 20945), (1475, 10579), (1775, 8791), (3725, 4189)]