22481440

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2065

約数の個数: 48

約数和(自身を含む): 53887680

約数和(自身を除く): 31406240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1979, 2272, 2840, 3958, 5680, 7916, 9895, 11360, 15832, 19790, 31664, 39580, 63328, 79160, 140509, 158320, 281018, 316640, 562036, 702545, 1124072, 1405090, 2248144, 2810180, 4496288, 5620360, 11240720, 22481440]

約数ペア:

[(1, 22481440), (2, 11240720), (4, 5620360), (5, 4496288), (8, 2810180), (10, 2248144), (16, 1405090), (20, 1124072), (32, 702545), (40, 562036), (71, 316640), (80, 281018), (142, 158320), (160, 140509), (284, 79160), (355, 63328), (568, 39580), (710, 31664), (1136, 19790), (1420, 15832), (1979, 11360), (2272, 9895), (2840, 7916), (3958, 5680)]