80265784

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 153498240

約数和(自身を除く): 73232456

約数列:

[1, 2, 4, 8, 71, 142, 251, 284, 502, 563, 568, 1004, 1126, 2008, 2252, 4504, 17821, 35642, 39973, 71284, 79946, 141313, 142568, 159892, 282626, 319784, 565252, 1130504, 10033223, 20066446, 40132892, 80265784]

約数ペア:

[(1, 80265784), (2, 40132892), (4, 20066446), (8, 10033223), (71, 1130504), (142, 565252), (251, 319784), (284, 282626), (502, 159892), (563, 142568), (568, 141313), (1004, 79946), (1126, 71284), (2008, 39973), (2252, 35642), (4504, 17821)]