80686120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69557}}^1$

素因数の和:69597

約数の個数: 32

約数和(自身を含む): 187806600

約数和(自身を除く): 107120480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 69557, 139114, 278228, 347785, 556456, 695570, 1391140, 2017153, 2782280, 4034306, 8068612, 10085765, 16137224, 20171530, 40343060, 80686120]

約数ペア:

[(1, 80686120), (2, 40343060), (4, 20171530), (5, 16137224), (8, 10085765), (10, 8068612), (20, 4034306), (29, 2782280), (40, 2017153), (58, 1391140), (116, 695570), (145, 556456), (232, 347785), (290, 278228), (580, 139114), (1160, 69557)]