2019882520

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{90659}}^1$

素因数の和:91227

約数の個数: 32

約数和(自身を含む): 4552945200

約数和(自身を除く): 2533062680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 11140, 22280, 90659, 181318, 362636, 453295, 725272, 906590, 1813180, 3626360, 50497063, 100994126, 201988252, 252485315, 403976504, 504970630, 1009941260, 2019882520]

約数ペア:

[(1, 2019882520), (2, 1009941260), (4, 504970630), (5, 403976504), (8, 252485315), (10, 201988252), (20, 100994126), (40, 50497063), (557, 3626360), (1114, 1813180), (2228, 906590), (2785, 725272), (4456, 453295), (5570, 362636), (11140, 181318), (22280, 90659)]