25385824

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 53887680

約数和(自身を除く): 28501856

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 817, 971, 1376, 1634, 1942, 3268, 3884, 6536, 7768, 13072, 15536, 18449, 26144, 31072, 36898, 41753, 73796, 83506, 147592, 167012, 295184, 334024, 590368, 668048, 793307, 1336096, 1586614, 3173228, 6346456, 12692912, 25385824]

約数ペア:

[(1, 25385824), (2, 12692912), (4, 6346456), (8, 3173228), (16, 1586614), (19, 1336096), (32, 793307), (38, 668048), (43, 590368), (76, 334024), (86, 295184), (152, 167012), (172, 147592), (304, 83506), (344, 73796), (608, 41753), (688, 36898), (817, 31072), (971, 26144), (1376, 18449), (1634, 15536), (1942, 13072), (3268, 7768), (3884, 6536)]