10980385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 15845760

約数和(自身を除く): 4865375

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 523, 1105, 1235, 1615, 2615, 4199, 6799, 8891, 9937, 20995, 33995, 44455, 49685, 115583, 129181, 168929, 577915, 645905, 844645, 2196077, 10980385]

約数ペア:

[(1, 10980385), (5, 2196077), (13, 844645), (17, 645905), (19, 577915), (65, 168929), (85, 129181), (95, 115583), (221, 49685), (247, 44455), (323, 33995), (523, 20995), (1105, 9937), (1235, 8891), (1615, 6799), (2615, 4199)]