25652920

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2089}}^1$

素因数の和:2407

約数の個数: 32

約数和(自身を含む): 57934800

約数和(自身を除く): 32281880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2089, 2456, 3070, 4178, 6140, 8356, 10445, 12280, 16712, 20890, 41780, 83560, 641323, 1282646, 2565292, 3206615, 5130584, 6413230, 12826460, 25652920]

約数ペア:

[(1, 25652920), (2, 12826460), (4, 6413230), (5, 5130584), (8, 3206615), (10, 2565292), (20, 1282646), (40, 641323), (307, 83560), (614, 41780), (1228, 20890), (1535, 16712), (2089, 12280), (2456, 10445), (3070, 8356), (4178, 6140)]