25654240

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1471}}^1$

素因数の和:1595

約数の個数: 48

約数和(自身を含む): 61205760

約数和(自身を除く): 35551520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1471, 1744, 2180, 2942, 3488, 4360, 5884, 7355, 8720, 11768, 14710, 17440, 23536, 29420, 47072, 58840, 117680, 160339, 235360, 320678, 641356, 801695, 1282712, 1603390, 2565424, 3206780, 5130848, 6413560, 12827120, 25654240]

約数ペア:

[(1, 25654240), (2, 12827120), (4, 6413560), (5, 5130848), (8, 3206780), (10, 2565424), (16, 1603390), (20, 1282712), (32, 801695), (40, 641356), (80, 320678), (109, 235360), (160, 160339), (218, 117680), (436, 58840), (545, 47072), (872, 29420), (1090, 23536), (1471, 17440), (1744, 14710), (2180, 11768), (2942, 8720), (3488, 7355), (4360, 5884)]