80247805

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 113379840

約数和(自身を除く): 33132035

約数列:

[1, 5, 11, 23, 55, 73, 79, 115, 121, 253, 365, 395, 605, 803, 869, 1265, 1679, 1817, 2783, 4015, 4345, 5767, 8395, 8833, 9085, 9559, 13915, 18469, 19987, 28835, 44165, 47795, 63437, 92345, 99935, 132641, 203159, 219857, 317185, 663205, 697807, 1015795, 1099285, 1459051, 3489035, 7295255, 16049561, 80247805]

約数ペア:

[(1, 80247805), (5, 16049561), (11, 7295255), (23, 3489035), (55, 1459051), (73, 1099285), (79, 1015795), (115, 697807), (121, 663205), (253, 317185), (365, 219857), (395, 203159), (605, 132641), (803, 99935), (869, 92345), (1265, 63437), (1679, 47795), (1817, 44165), (2783, 28835), (4015, 19987), (4345, 18469), (5767, 13915), (8395, 9559), (8833, 9085)]