39938665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 55198080

約数和(自身を除く): 15259415

約数列:

[1, 5, 13, 19, 65, 73, 95, 247, 365, 443, 949, 1235, 1387, 2215, 4745, 5759, 6935, 8417, 18031, 28795, 32339, 42085, 90155, 109421, 161695, 420407, 547105, 614441, 2102035, 3072205, 7987733, 39938665]

約数ペア:

[(1, 39938665), (5, 7987733), (13, 3072205), (19, 2102035), (65, 614441), (73, 547105), (95, 420407), (247, 161695), (365, 109421), (443, 90155), (949, 42085), (1235, 32339), (1387, 28795), (2215, 18031), (4745, 8417), (5759, 6935)]