68513440

素因数分解:

$2^5\times 5^1\times {\mathrm{457}}^1\times {\mathrm{937}}^1$

素因数の和:1409

約数の個数: 48

約数和(自身を含む): 162390312

約数和(自身を除く): 93876872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 457, 914, 937, 1828, 1874, 2285, 3656, 3748, 4570, 4685, 7312, 7496, 9140, 9370, 14624, 14992, 18280, 18740, 29984, 36560, 37480, 73120, 74960, 149920, 428209, 856418, 1712836, 2141045, 3425672, 4282090, 6851344, 8564180, 13702688, 17128360, 34256720, 68513440]

約数ペア:

[(1, 68513440), (2, 34256720), (4, 17128360), (5, 13702688), (8, 8564180), (10, 6851344), (16, 4282090), (20, 3425672), (32, 2141045), (40, 1712836), (80, 856418), (160, 428209), (457, 149920), (914, 74960), (937, 73120), (1828, 37480), (1874, 36560), (2285, 29984), (3656, 18740), (3748, 18280), (4570, 14992), (4685, 14624), (7312, 9370), (7496, 9140)]