80690705

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 98140224

約数和(自身を除く): 17449519

約数列:

[1, 5, 163, 181, 547, 815, 905, 2735, 29503, 89161, 99007, 147515, 445805, 495035, 16138141, 80690705]

約数ペア:

[(1, 80690705), (5, 16138141), (163, 495035), (181, 445805), (547, 147515), (815, 99007), (905, 89161), (2735, 29503)]