4080465080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{145109}}^1$

素因数の和:145176

約数の個数: 64

約数和(自身を含む): 9925524000

約数和(自身を除く): 5845058920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060, 28120, 145109, 290218, 580436, 725545, 1160872, 1451090, 2757071, 2902180, 5369033, 5514142, 5804360, 10738066, 11028284, 13785355, 21476132, 22056568, 26845165, 27570710, 42952264, 53690330, 55141420, 102011627, 107380660, 110282840, 204023254, 214761320, 408046508, 510058135, 816093016, 1020116270, 2040232540, 4080465080]

約数ペア:

[(1, 4080465080), (2, 2040232540), (4, 1020116270), (5, 816093016), (8, 510058135), (10, 408046508), (19, 214761320), (20, 204023254), (37, 110282840), (38, 107380660), (40, 102011627), (74, 55141420), (76, 53690330), (95, 42952264), (148, 27570710), (152, 26845165), (185, 22056568), (190, 21476132), (296, 13785355), (370, 11028284), (380, 10738066), (703, 5804360), (740, 5514142), (760, 5369033), (1406, 2902180), (1480, 2757071), (2812, 1451090), (3515, 1160872), (5624, 725545), (7030, 580436), (14060, 290218), (28120, 145109)]