80744272

素因数分解:

$2^4\times 7^1\times {\mathrm{720931}}^1$

素因数の和:720946

約数の個数: 20

約数和(自身を含む): 178791136

約数和(自身を除く): 98046864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720931, 1441862, 2883724, 5046517, 5767448, 10093034, 11534896, 20186068, 40372136, 80744272]

約数ペア:

[(1, 80744272), (2, 40372136), (4, 20186068), (7, 11534896), (8, 10093034), (14, 5767448), (16, 5046517), (28, 2883724), (56, 1441862), (112, 720931)]