28647920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51157}}^1$

素因数の和:51177

約数の個数: 40

約数和(自身を含む): 76123104

約数和(自身を除く): 47475184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51157, 102314, 204628, 255785, 358099, 409256, 511570, 716198, 818512, 1023140, 1432396, 1790495, 2046280, 2864792, 3580990, 4092560, 5729584, 7161980, 14323960, 28647920]

約数ペア:

[(1, 28647920), (2, 14323960), (4, 7161980), (5, 5729584), (7, 4092560), (8, 3580990), (10, 2864792), (14, 2046280), (16, 1790495), (20, 1432396), (28, 1023140), (35, 818512), (40, 716198), (56, 511570), (70, 409256), (80, 358099), (112, 255785), (140, 204628), (280, 102314), (560, 51157)]