13164880

素因数分解:

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

素因数の和:188

約数の個数: 60

約数和(自身を含む): 31688820

約数和(自身を除く): 18523940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 172, 178, 215, 344, 356, 430, 445, 688, 712, 860, 890, 1424, 1720, 1780, 1849, 3440, 3560, 3698, 3827, 7120, 7396, 7654, 9245, 14792, 15308, 18490, 19135, 29584, 30616, 36980, 38270, 61232, 73960, 76540, 147920, 153080, 164561, 306160, 329122, 658244, 822805, 1316488, 1645610, 2632976, 3291220, 6582440, 13164880]

約数ペア:

[(1, 13164880), (2, 6582440), (4, 3291220), (5, 2632976), (8, 1645610), (10, 1316488), (16, 822805), (20, 658244), (40, 329122), (43, 306160), (80, 164561), (86, 153080), (89, 147920), (172, 76540), (178, 73960), (215, 61232), (344, 38270), (356, 36980), (430, 30616), (445, 29584), (688, 19135), (712, 18490), (860, 15308), (890, 14792), (1424, 9245), (1720, 7654), (1780, 7396), (1849, 7120), (3440, 3827), (3560, 3698)]