64421920

素因数分解:

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

素因数の和:2593

約数の個数: 48

約数和(自身を含む): 153171648

約数和(自身を除く): 88749728

約数列:

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

約数ペア:

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