81196206640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2811503}}^1$

素因数の和:2811554

約数の個数: 60

約数和(自身を含む): 199240042464

約数和(自身を除く): 118043835824

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 7220, 14440, 28880, 2811503, 5623006, 11246012, 14057515, 22492024, 28115030, 44984048, 53418557, 56230060, 106837114, 112460120, 213674228, 224920240, 267092785, 427348456, 534185570, 854696912, 1014952583, 1068371140, 2029905166, 2136742280, 4059810332, 4273484560, 5074762915, 8119620664, 10149525830, 16239241328, 20299051660, 40598103320, 81196206640]

約数ペア:

[(1, 81196206640), (2, 40598103320), (4, 20299051660), (5, 16239241328), (8, 10149525830), (10, 8119620664), (16, 5074762915), (19, 4273484560), (20, 4059810332), (38, 2136742280), (40, 2029905166), (76, 1068371140), (80, 1014952583), (95, 854696912), (152, 534185570), (190, 427348456), (304, 267092785), (361, 224920240), (380, 213674228), (722, 112460120), (760, 106837114), (1444, 56230060), (1520, 53418557), (1805, 44984048), (2888, 28115030), (3610, 22492024), (5776, 14057515), (7220, 11246012), (14440, 5623006), (28880, 2811503)]