80841560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69691}}^1$

素因数の和:69731

約数の個数: 32

約数和(自身を含む): 188168400

約数和(自身を除く): 107326840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 69691, 139382, 278764, 348455, 557528, 696910, 1393820, 2021039, 2787640, 4042078, 8084156, 10105195, 16168312, 20210390, 40420780, 80841560]

約数ペア:

[(1, 80841560), (2, 40420780), (4, 20210390), (5, 16168312), (8, 10105195), (10, 8084156), (20, 4042078), (29, 2787640), (40, 2021039), (58, 1393820), (116, 696910), (145, 557528), (232, 348455), (290, 278764), (580, 139382), (1160, 69691)]