39821470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23563}}^1$

素因数の和:23596

約数の個数: 24

約数和(自身を含む): 77619816

約数和(自身を除く): 37798346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 23563, 47126, 117815, 235630, 306319, 612638, 1531595, 3063190, 3982147, 7964294, 19910735, 39821470]

約数ペア:

[(1, 39821470), (2, 19910735), (5, 7964294), (10, 3982147), (13, 3063190), (26, 1531595), (65, 612638), (130, 306319), (169, 235630), (338, 117815), (845, 47126), (1690, 23563)]