25228960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 64532160

約数和(自身を除く): 39303200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 152, 160, 172, 190, 193, 215, 304, 344, 380, 386, 430, 608, 688, 760, 772, 817, 860, 965, 1376, 1520, 1544, 1634, 1720, 1930, 3040, 3088, 3268, 3440, 3667, 3860, 4085, 6176, 6536, 6880, 7334, 7720, 8170, 8299, 13072, 14668, 15440, 16340, 16598, 18335, 26144, 29336, 30880, 32680, 33196, 36670, 41495, 58672, 65360, 66392, 73340, 82990, 117344, 130720, 132784, 146680, 157681, 165980, 265568, 293360, 315362, 331960, 586720, 630724, 663920, 788405, 1261448, 1327840, 1576810, 2522896, 3153620, 5045792, 6307240, 12614480, 25228960]

約数ペア:

[(1, 25228960), (2, 12614480), (4, 6307240), (5, 5045792), (8, 3153620), (10, 2522896), (16, 1576810), (19, 1327840), (20, 1261448), (32, 788405), (38, 663920), (40, 630724), (43, 586720), (76, 331960), (80, 315362), (86, 293360), (95, 265568), (152, 165980), (160, 157681), (172, 146680), (190, 132784), (193, 130720), (215, 117344), (304, 82990), (344, 73340), (380, 66392), (386, 65360), (430, 58672), (608, 41495), (688, 36670), (760, 33196), (772, 32680), (817, 30880), (860, 29336), (965, 26144), (1376, 18335), (1520, 16598), (1544, 16340), (1634, 15440), (1720, 14668), (1930, 13072), (3040, 8299), (3088, 8170), (3268, 7720), (3440, 7334), (3667, 6880), (3860, 6536), (4085, 6176)]