87978860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{102301}}^1$

素因数の和:102353

約数の個数: 24

約数和(自身を含む): 189054096

約数和(自身を除く): 101075236

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 102301, 204602, 409204, 511505, 1023010, 2046020, 4398943, 8797886, 17595772, 21994715, 43989430, 87978860]

約数ペア:

[(1, 87978860), (2, 43989430), (4, 21994715), (5, 17595772), (10, 8797886), (20, 4398943), (43, 2046020), (86, 1023010), (172, 511505), (215, 409204), (430, 204602), (860, 102301)]