128843840

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2411}}^1$

素因数の和:2595

約数の個数: 56

約数和(自身を含む): 308774592

約数和(自身を除く): 179930752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 835, 1336, 1670, 2411, 2672, 3340, 4822, 5344, 6680, 9644, 10688, 12055, 13360, 19288, 24110, 26720, 38576, 48220, 53440, 77152, 96440, 154304, 192880, 385760, 402637, 771520, 805274, 1610548, 2013185, 3221096, 4026370, 6442192, 8052740, 12884384, 16105480, 25768768, 32210960, 64421920, 128843840]

約数ペア:

[(1, 128843840), (2, 64421920), (4, 32210960), (5, 25768768), (8, 16105480), (10, 12884384), (16, 8052740), (20, 6442192), (32, 4026370), (40, 3221096), (64, 2013185), (80, 1610548), (160, 805274), (167, 771520), (320, 402637), (334, 385760), (668, 192880), (835, 154304), (1336, 96440), (1670, 77152), (2411, 53440), (2672, 48220), (3340, 38576), (4822, 26720), (5344, 24110), (6680, 19288), (9644, 13360), (10688, 12055)]