12576640

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 30832560

約数和(自身を除く): 18255920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 457, 640, 688, 860, 914, 1376, 1720, 1828, 2285, 2752, 3440, 3656, 4570, 5504, 6880, 7312, 9140, 13760, 14624, 18280, 19651, 27520, 29248, 36560, 39302, 58496, 73120, 78604, 98255, 146240, 157208, 196510, 292480, 314416, 393020, 628832, 786040, 1257664, 1572080, 2515328, 3144160, 6288320, 12576640]

約数ペア:

[(1, 12576640), (2, 6288320), (4, 3144160), (5, 2515328), (8, 1572080), (10, 1257664), (16, 786040), (20, 628832), (32, 393020), (40, 314416), (43, 292480), (64, 196510), (80, 157208), (86, 146240), (128, 98255), (160, 78604), (172, 73120), (215, 58496), (320, 39302), (344, 36560), (430, 29248), (457, 27520), (640, 19651), (688, 18280), (860, 14624), (914, 13760), (1376, 9140), (1720, 7312), (1828, 6880), (2285, 5504), (2752, 4570), (3440, 3656)]