77972120

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7193}}^1$

素因数の和:7475

約数の個数: 32

約数和(自身を含む): 176109120

約数和(自身を除く): 98137000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 7193, 10840, 14386, 28772, 35965, 57544, 71930, 143860, 287720, 1949303, 3898606, 7797212, 9746515, 15594424, 19493030, 38986060, 77972120]

約数ペア:

[(1, 77972120), (2, 38986060), (4, 19493030), (5, 15594424), (8, 9746515), (10, 7797212), (20, 3898606), (40, 1949303), (271, 287720), (542, 143860), (1084, 71930), (1355, 57544), (2168, 35965), (2710, 28772), (5420, 14386), (7193, 10840)]