40805050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 72

約数和(自身を含む): 89860320

約数和(自身を除く): 49055270

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 169, 275, 286, 325, 338, 439, 550, 650, 715, 845, 878, 1430, 1690, 1859, 2195, 3575, 3718, 4225, 4390, 4829, 5707, 7150, 8450, 9295, 9658, 10975, 11414, 18590, 21950, 24145, 28535, 46475, 48290, 57070, 62777, 74191, 92950, 120725, 125554, 142675, 148382, 241450, 285350, 313885, 370955, 627770, 741910, 816101, 1569425, 1632202, 1854775, 3138850, 3709550, 4080505, 8161010, 20402525, 40805050]

約数ペア:

[(1, 40805050), (2, 20402525), (5, 8161010), (10, 4080505), (11, 3709550), (13, 3138850), (22, 1854775), (25, 1632202), (26, 1569425), (50, 816101), (55, 741910), (65, 627770), (110, 370955), (130, 313885), (143, 285350), (169, 241450), (275, 148382), (286, 142675), (325, 125554), (338, 120725), (439, 92950), (550, 74191), (650, 62777), (715, 57070), (845, 48290), (878, 46475), (1430, 28535), (1690, 24145), (1859, 21950), (2195, 18590), (3575, 11414), (3718, 10975), (4225, 9658), (4390, 9295), (4829, 8450), (5707, 7150)]