25987160

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2089}}^1$

素因数の和:2411

約数の個数: 32

約数和(自身を含む): 58687200

約数和(自身を除く): 32700040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2089, 2488, 3110, 4178, 6220, 8356, 10445, 12440, 16712, 20890, 41780, 83560, 649679, 1299358, 2598716, 3248395, 5197432, 6496790, 12993580, 25987160]

約数ペア:

[(1, 25987160), (2, 12993580), (4, 6496790), (5, 5197432), (8, 3248395), (10, 2598716), (20, 1299358), (40, 649679), (311, 83560), (622, 41780), (1244, 20890), (1555, 16712), (2089, 12440), (2488, 10445), (3110, 8356), (4178, 6220)]