2678874820

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{132749}}^1$

素因数の和:133767

約数の個数: 24

約数和(自身を含む): 5631255000

約数和(自身を除く): 2952380180

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 10090, 20180, 132749, 265498, 530996, 663745, 1327490, 2654980, 133943741, 267887482, 535774964, 669718705, 1339437410, 2678874820]

約数ペア:

[(1, 2678874820), (2, 1339437410), (4, 669718705), (5, 535774964), (10, 267887482), (20, 133943741), (1009, 2654980), (2018, 1327490), (4036, 663745), (5045, 530996), (10090, 265498), (20180, 132749)]