25633580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{661}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 61836096

約数和(自身を除く): 36202516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 661, 1108, 1322, 1385, 1939, 2644, 2770, 3305, 3878, 4627, 5540, 6610, 7756, 9254, 9695, 13220, 18508, 19390, 23135, 38780, 46270, 92540, 183097, 366194, 732388, 915485, 1281679, 1830970, 2563358, 3661940, 5126716, 6408395, 12816790, 25633580]

約数ペア:

[(1, 25633580), (2, 12816790), (4, 6408395), (5, 5126716), (7, 3661940), (10, 2563358), (14, 1830970), (20, 1281679), (28, 915485), (35, 732388), (70, 366194), (140, 183097), (277, 92540), (554, 46270), (661, 38780), (1108, 23135), (1322, 19390), (1385, 18508), (1939, 13220), (2644, 9695), (2770, 9254), (3305, 7756), (3878, 6610), (4627, 5540)]