25770140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2918

約数の個数: 48

約数和(自身を含む): 60498144

約数和(自身を除く): 34728004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 2857, 4510, 5714, 9020, 11428, 14285, 28570, 31427, 57140, 62854, 117137, 125708, 157135, 234274, 314270, 468548, 585685, 628540, 1171370, 1288507, 2342740, 2577014, 5154028, 6442535, 12885070, 25770140]

約数ペア:

[(1, 25770140), (2, 12885070), (4, 6442535), (5, 5154028), (10, 2577014), (11, 2342740), (20, 1288507), (22, 1171370), (41, 628540), (44, 585685), (55, 468548), (82, 314270), (110, 234274), (164, 157135), (205, 125708), (220, 117137), (410, 62854), (451, 57140), (820, 31427), (902, 28570), (1804, 14285), (2255, 11428), (2857, 9020), (4510, 5714)]