80100475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 123617088

約数和(自身を除く): 43516613

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 137, 175, 257, 325, 455, 685, 959, 1285, 1781, 1799, 2275, 3341, 3425, 4795, 6425, 8905, 8995, 12467, 16705, 23387, 23975, 35209, 44525, 44975, 62335, 83525, 116935, 176045, 246463, 311675, 457717, 584675, 880225, 1232315, 2288585, 3204019, 6161575, 11442925, 16020095, 80100475]

約数ペア:

[(1, 80100475), (5, 16020095), (7, 11442925), (13, 6161575), (25, 3204019), (35, 2288585), (65, 1232315), (91, 880225), (137, 584675), (175, 457717), (257, 311675), (325, 246463), (455, 176045), (685, 116935), (959, 83525), (1285, 62335), (1781, 44975), (1799, 44525), (2275, 35209), (3341, 23975), (3425, 23387), (4795, 16705), (6425, 12467), (8905, 8995)]