56217340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 121968000

約数和(自身を除く): 65750660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 131, 172, 215, 262, 430, 499, 524, 655, 860, 998, 1310, 1996, 2495, 2620, 4990, 5633, 9980, 11266, 21457, 22532, 28165, 42914, 56330, 65369, 85828, 107285, 112660, 130738, 214570, 261476, 326845, 429140, 653690, 1307380, 2810867, 5621734, 11243468, 14054335, 28108670, 56217340]

約数ペア:

[(1, 56217340), (2, 28108670), (4, 14054335), (5, 11243468), (10, 5621734), (20, 2810867), (43, 1307380), (86, 653690), (131, 429140), (172, 326845), (215, 261476), (262, 214570), (430, 130738), (499, 112660), (524, 107285), (655, 85828), (860, 65369), (998, 56330), (1310, 42914), (1996, 28165), (2495, 22532), (2620, 21457), (4990, 11266), (5633, 9980)]