28988320

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1759}}^1$

素因数の和:1877

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 40200800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 1759, 2060, 3296, 3518, 4120, 7036, 8240, 8795, 14072, 16480, 17590, 28144, 35180, 56288, 70360, 140720, 181177, 281440, 362354, 724708, 905885, 1449416, 1811770, 2898832, 3623540, 5797664, 7247080, 14494160, 28988320]

約数ペア:

[(1, 28988320), (2, 14494160), (4, 7247080), (5, 5797664), (8, 3623540), (10, 2898832), (16, 1811770), (20, 1449416), (32, 905885), (40, 724708), (80, 362354), (103, 281440), (160, 181177), (206, 140720), (412, 70360), (515, 56288), (824, 35180), (1030, 28144), (1648, 17590), (1759, 16480), (2060, 14072), (3296, 8795), (3518, 8240), (4120, 7036)]