28369520

素因数分解:

$2^4\times 5^1\times {\mathrm{354619}}^1$

素因数の和:354632

約数の個数: 20

約数和(自身を含む): 65959320

約数和(自身を除く): 37589800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354619, 709238, 1418476, 1773095, 2836952, 3546190, 5673904, 7092380, 14184760, 28369520]

約数ペア:

[(1, 28369520), (2, 14184760), (4, 7092380), (5, 5673904), (8, 3546190), (10, 2836952), (16, 1773095), (20, 1418476), (40, 709238), (80, 354619)]