121980080

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20887}}^1$

素因数の和:20973

約数の個数: 40

約数和(自身を含む): 287502432

約数和(自身を除く): 165522352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 20887, 41774, 83548, 104435, 167096, 208870, 334192, 417740, 835480, 1524751, 1670960, 3049502, 6099004, 7623755, 12198008, 15247510, 24396016, 30495020, 60990040, 121980080]

約数ペア:

[(1, 121980080), (2, 60990040), (4, 30495020), (5, 24396016), (8, 15247510), (10, 12198008), (16, 7623755), (20, 6099004), (40, 3049502), (73, 1670960), (80, 1524751), (146, 835480), (292, 417740), (365, 334192), (584, 208870), (730, 167096), (1168, 104435), (1460, 83548), (2920, 41774), (5840, 20887)]