4056620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 8981280

約数和(自身を除く): 4924660

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 89, 106, 172, 178, 212, 215, 265, 356, 430, 445, 530, 860, 890, 1060, 1780, 2279, 3827, 4558, 4717, 7654, 9116, 9434, 11395, 15308, 18868, 19135, 22790, 23585, 38270, 45580, 47170, 76540, 94340, 202831, 405662, 811324, 1014155, 2028310, 4056620]

約数ペア:

[(1, 4056620), (2, 2028310), (4, 1014155), (5, 811324), (10, 405662), (20, 202831), (43, 94340), (53, 76540), (86, 47170), (89, 45580), (106, 38270), (172, 23585), (178, 22790), (212, 19135), (215, 18868), (265, 15308), (356, 11395), (430, 9434), (445, 9116), (530, 7654), (860, 4717), (890, 4558), (1060, 3827), (1780, 2279)]