56181860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21121}}^1$

素因数の和:21156

約数の個数: 48

約数和(自身を含む): 141939840

約数和(自身を除く): 85757980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 21121, 42242, 84484, 105605, 147847, 211210, 295694, 401299, 422420, 591388, 739235, 802598, 1478470, 1605196, 2006495, 2809093, 2956940, 4012990, 5618186, 8025980, 11236372, 14045465, 28090930, 56181860]

約数ペア:

[(1, 56181860), (2, 28090930), (4, 14045465), (5, 11236372), (7, 8025980), (10, 5618186), (14, 4012990), (19, 2956940), (20, 2809093), (28, 2006495), (35, 1605196), (38, 1478470), (70, 802598), (76, 739235), (95, 591388), (133, 422420), (140, 401299), (190, 295694), (266, 211210), (380, 147847), (532, 105605), (665, 84484), (1330, 42242), (2660, 21121)]