12926360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3631}}^1$

素因数の和:3731

約数の個数: 32

約数和(自身を含む): 29419200

約数和(自身を除く): 16492840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3631, 7262, 14524, 18155, 29048, 36310, 72620, 145240, 323159, 646318, 1292636, 1615795, 2585272, 3231590, 6463180, 12926360]

約数ペア:

[(1, 12926360), (2, 6463180), (4, 3231590), (5, 2585272), (8, 1615795), (10, 1292636), (20, 646318), (40, 323159), (89, 145240), (178, 72620), (356, 36310), (445, 29048), (712, 18155), (890, 14524), (1780, 7262), (3560, 3631)]