8113240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 19245600

約数和(自身を除く): 11132360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 89, 106, 172, 178, 212, 215, 265, 344, 356, 424, 430, 445, 530, 712, 860, 890, 1060, 1720, 1780, 2120, 2279, 3560, 3827, 4558, 4717, 7654, 9116, 9434, 11395, 15308, 18232, 18868, 19135, 22790, 23585, 30616, 37736, 38270, 45580, 47170, 76540, 91160, 94340, 153080, 188680, 202831, 405662, 811324, 1014155, 1622648, 2028310, 4056620, 8113240]

約数ペア:

[(1, 8113240), (2, 4056620), (4, 2028310), (5, 1622648), (8, 1014155), (10, 811324), (20, 405662), (40, 202831), (43, 188680), (53, 153080), (86, 94340), (89, 91160), (106, 76540), (172, 47170), (178, 45580), (212, 38270), (215, 37736), (265, 30616), (344, 23585), (356, 22790), (424, 19135), (430, 18868), (445, 18232), (530, 15308), (712, 11395), (860, 9434), (890, 9116), (1060, 7654), (1720, 4717), (1780, 4558), (2120, 3827), (2279, 3560)]