28870960

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2161}}^1$

素因数の和:2341

約数の個数: 40

約数和(自身を含む): 67558176

約数和(自身を除く): 38687216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2161, 2672, 3340, 4322, 6680, 8644, 10805, 13360, 17288, 21610, 34576, 43220, 86440, 172880, 360887, 721774, 1443548, 1804435, 2887096, 3608870, 5774192, 7217740, 14435480, 28870960]

約数ペア:

[(1, 28870960), (2, 14435480), (4, 7217740), (5, 5774192), (8, 3608870), (10, 2887096), (16, 1804435), (20, 1443548), (40, 721774), (80, 360887), (167, 172880), (334, 86440), (668, 43220), (835, 34576), (1336, 21610), (1670, 17288), (2161, 13360), (2672, 10805), (3340, 8644), (4322, 6680)]