29120840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{104003}}^1$

素因数の和:104021

約数の個数: 32

約数和(自身を含む): 74882880

約数和(自身を除く): 45762040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 104003, 208006, 416012, 520015, 728021, 832024, 1040030, 1456042, 2080060, 2912084, 3640105, 4160120, 5824168, 7280210, 14560420, 29120840]

約数ペア:

[(1, 29120840), (2, 14560420), (4, 7280210), (5, 5824168), (7, 4160120), (8, 3640105), (10, 2912084), (14, 2080060), (20, 1456042), (28, 1040030), (35, 832024), (40, 728021), (56, 520015), (70, 416012), (140, 208006), (280, 104003)]