25220265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 24546135

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 71, 85, 105, 119, 199, 213, 255, 355, 357, 497, 595, 597, 995, 1065, 1207, 1393, 1491, 1785, 2485, 2985, 3383, 3621, 4179, 6035, 6965, 7455, 8449, 10149, 14129, 16915, 18105, 20895, 23681, 25347, 42245, 42387, 50745, 70645, 71043, 98903, 118405, 126735, 211935, 240193, 296709, 355215, 494515, 720579, 1200965, 1483545, 1681351, 3602895, 5044053, 8406755, 25220265]

約数ペア:

[(1, 25220265), (3, 8406755), (5, 5044053), (7, 3602895), (15, 1681351), (17, 1483545), (21, 1200965), (35, 720579), (51, 494515), (71, 355215), (85, 296709), (105, 240193), (119, 211935), (199, 126735), (213, 118405), (255, 98903), (355, 71043), (357, 70645), (497, 50745), (595, 42387), (597, 42245), (995, 25347), (1065, 23681), (1207, 20895), (1393, 18105), (1491, 16915), (1785, 14129), (2485, 10149), (2985, 8449), (3383, 7455), (3621, 6965), (4179, 6035)]