16226480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 39774240

約数和(自身を除く): 23547760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 89, 106, 172, 178, 212, 215, 265, 344, 356, 424, 430, 445, 530, 688, 712, 848, 860, 890, 1060, 1424, 1720, 1780, 2120, 2279, 3440, 3560, 3827, 4240, 4558, 4717, 7120, 7654, 9116, 9434, 11395, 15308, 18232, 18868, 19135, 22790, 23585, 30616, 36464, 37736, 38270, 45580, 47170, 61232, 75472, 76540, 91160, 94340, 153080, 182320, 188680, 202831, 306160, 377360, 405662, 811324, 1014155, 1622648, 2028310, 3245296, 4056620, 8113240, 16226480]

約数ペア:

[(1, 16226480), (2, 8113240), (4, 4056620), (5, 3245296), (8, 2028310), (10, 1622648), (16, 1014155), (20, 811324), (40, 405662), (43, 377360), (53, 306160), (80, 202831), (86, 188680), (89, 182320), (106, 153080), (172, 94340), (178, 91160), (212, 76540), (215, 75472), (265, 61232), (344, 47170), (356, 45580), (424, 38270), (430, 37736), (445, 36464), (530, 30616), (688, 23585), (712, 22790), (848, 19135), (860, 18868), (890, 18232), (1060, 15308), (1424, 11395), (1720, 9434), (1780, 9116), (2120, 7654), (2279, 7120), (3440, 4717), (3560, 4558), (3827, 4240)]