12616640

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:549

約数の個数: 56

約数和(自身を含む): 30449520

約数和(自身を除く): 17832880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 443, 445, 712, 886, 890, 1424, 1772, 1780, 2215, 2848, 3544, 3560, 4430, 5696, 7088, 7120, 8860, 14176, 14240, 17720, 28352, 28480, 35440, 39427, 70880, 78854, 141760, 157708, 197135, 315416, 394270, 630832, 788540, 1261664, 1577080, 2523328, 3154160, 6308320, 12616640]

約数ペア:

[(1, 12616640), (2, 6308320), (4, 3154160), (5, 2523328), (8, 1577080), (10, 1261664), (16, 788540), (20, 630832), (32, 394270), (40, 315416), (64, 197135), (80, 157708), (89, 141760), (160, 78854), (178, 70880), (320, 39427), (356, 35440), (443, 28480), (445, 28352), (712, 17720), (886, 14240), (890, 14176), (1424, 8860), (1772, 7120), (1780, 7088), (2215, 5696), (2848, 4430), (3544, 3560)]