131082440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{20873}}^1$

素因数の和:21041

約数の個数: 32

約数和(自身を含む): 296828280

約数和(自身を除く): 165745840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 20873, 41746, 83492, 104365, 166984, 208730, 417460, 834920, 3277061, 6554122, 13108244, 16385305, 26216488, 32770610, 65541220, 131082440]

約数ペア:

[(1, 131082440), (2, 65541220), (4, 32770610), (5, 26216488), (8, 16385305), (10, 13108244), (20, 6554122), (40, 3277061), (157, 834920), (314, 417460), (628, 208730), (785, 166984), (1256, 104365), (1570, 83492), (3140, 41746), (6280, 20873)]