5201980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 12680640

約数和(自身を除く): 7478660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 509, 511, 730, 1018, 1022, 1460, 2036, 2044, 2545, 2555, 3563, 5090, 5110, 7126, 10180, 10220, 14252, 17815, 35630, 37157, 71260, 74314, 148628, 185785, 260099, 371570, 520198, 743140, 1040396, 1300495, 2600990, 5201980]

約数ペア:

[(1, 5201980), (2, 2600990), (4, 1300495), (5, 1040396), (7, 743140), (10, 520198), (14, 371570), (20, 260099), (28, 185785), (35, 148628), (70, 74314), (73, 71260), (140, 37157), (146, 35630), (292, 17815), (365, 14252), (509, 10220), (511, 10180), (730, 7126), (1018, 5110), (1022, 5090), (1460, 3563), (2036, 2555), (2044, 2545)]