25810820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{701}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 62270208

約数和(自身を除く): 36459388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 701, 1052, 1315, 1402, 1841, 2630, 2804, 3505, 3682, 4907, 5260, 7010, 7364, 9205, 9814, 14020, 18410, 19628, 24535, 36820, 49070, 98140, 184363, 368726, 737452, 921815, 1290541, 1843630, 2581082, 3687260, 5162164, 6452705, 12905410, 25810820]

約数ペア:

[(1, 25810820), (2, 12905410), (4, 6452705), (5, 5162164), (7, 3687260), (10, 2581082), (14, 1843630), (20, 1290541), (28, 921815), (35, 737452), (70, 368726), (140, 184363), (263, 98140), (526, 49070), (701, 36820), (1052, 24535), (1315, 19628), (1402, 18410), (1841, 14020), (2630, 9814), (2804, 9205), (3505, 7364), (3682, 7010), (4907, 5260)]