71120840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254003}}^1$

素因数の和:254021

約数の個数: 32

約数和(自身を含む): 182882880

約数和(自身を除く): 111762040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254003, 508006, 1016012, 1270015, 1778021, 2032024, 2540030, 3556042, 5080060, 7112084, 8890105, 10160120, 14224168, 17780210, 35560420, 71120840]

約数ペア:

[(1, 71120840), (2, 35560420), (4, 17780210), (5, 14224168), (7, 10160120), (8, 8890105), (10, 7112084), (14, 5080060), (20, 3556042), (28, 2540030), (35, 2032024), (40, 1778021), (56, 1270015), (70, 1016012), (140, 508006), (280, 254003)]