81650270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{15319}}^1$

素因数の和:15380

約数の個数: 32

約数和(自身を含む): 162146880

約数和(自身を除く): 80496610

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 15319, 30638, 76595, 153190, 199147, 398294, 628079, 995735, 1256158, 1991470, 3140395, 6280790, 8165027, 16330054, 40825135, 81650270]

約数ペア:

[(1, 81650270), (2, 40825135), (5, 16330054), (10, 8165027), (13, 6280790), (26, 3140395), (41, 1991470), (65, 1256158), (82, 995735), (130, 628079), (205, 398294), (410, 199147), (533, 153190), (1066, 76595), (2665, 30638), (5330, 15319)]