165411640

素因数分解:

$2^3\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{3343}}^1$

素因数の和:4591

約数の個数: 32

約数和(自身を含む): 372588480

約数和(自身を除く): 207176840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1237, 2474, 3343, 4948, 6185, 6686, 9896, 12370, 13372, 16715, 24740, 26744, 33430, 49480, 66860, 133720, 4135291, 8270582, 16541164, 20676455, 33082328, 41352910, 82705820, 165411640]

約数ペア:

[(1, 165411640), (2, 82705820), (4, 41352910), (5, 33082328), (8, 20676455), (10, 16541164), (20, 8270582), (40, 4135291), (1237, 133720), (2474, 66860), (3343, 49480), (4948, 33430), (6185, 26744), (6686, 24740), (9896, 16715), (12370, 13372)]