25760960

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 84

約数和(自身を含む): 65032128

約数和(自身を除く): 39271168

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 223, 304, 320, 361, 380, 446, 608, 722, 760, 892, 1115, 1216, 1444, 1520, 1784, 1805, 2230, 2888, 3040, 3568, 3610, 4237, 4460, 5776, 6080, 7136, 7220, 8474, 8920, 11552, 14272, 14440, 16948, 17840, 21185, 23104, 28880, 33896, 35680, 42370, 57760, 67792, 71360, 80503, 84740, 115520, 135584, 161006, 169480, 271168, 322012, 338960, 402515, 644024, 677920, 805030, 1288048, 1355840, 1610060, 2576096, 3220120, 5152192, 6440240, 12880480, 25760960]

約数ペア:

[(1, 25760960), (2, 12880480), (4, 6440240), (5, 5152192), (8, 3220120), (10, 2576096), (16, 1610060), (19, 1355840), (20, 1288048), (32, 805030), (38, 677920), (40, 644024), (64, 402515), (76, 338960), (80, 322012), (95, 271168), (152, 169480), (160, 161006), (190, 135584), (223, 115520), (304, 84740), (320, 80503), (361, 71360), (380, 67792), (446, 57760), (608, 42370), (722, 35680), (760, 33896), (892, 28880), (1115, 23104), (1216, 21185), (1444, 17840), (1520, 16948), (1784, 14440), (1805, 14272), (2230, 11552), (2888, 8920), (3040, 8474), (3568, 7220), (3610, 7136), (4237, 6080), (4460, 5776)]