12505040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{433}}^1$

素因数の和:484

約数の個数: 60

約数和(自身を含む): 30755844

約数和(自身を除く): 18250804

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 433, 722, 760, 866, 1444, 1520, 1732, 1805, 2165, 2888, 3464, 3610, 4330, 5776, 6928, 7220, 8227, 8660, 14440, 16454, 17320, 28880, 32908, 34640, 41135, 65816, 82270, 131632, 156313, 164540, 312626, 329080, 625252, 658160, 781565, 1250504, 1563130, 2501008, 3126260, 6252520, 12505040]

約数ペア:

[(1, 12505040), (2, 6252520), (4, 3126260), (5, 2501008), (8, 1563130), (10, 1250504), (16, 781565), (19, 658160), (20, 625252), (38, 329080), (40, 312626), (76, 164540), (80, 156313), (95, 131632), (152, 82270), (190, 65816), (304, 41135), (361, 34640), (380, 32908), (433, 28880), (722, 17320), (760, 16454), (866, 14440), (1444, 8660), (1520, 8227), (1732, 7220), (1805, 6928), (2165, 5776), (2888, 4330), (3464, 3610)]