25908704

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 29087776

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 817, 991, 1376, 1634, 1982, 3268, 3964, 6536, 7928, 13072, 15856, 18829, 26144, 31712, 37658, 42613, 75316, 85226, 150632, 170452, 301264, 340904, 602528, 681808, 809647, 1363616, 1619294, 3238588, 6477176, 12954352, 25908704]

約数ペア:

[(1, 25908704), (2, 12954352), (4, 6477176), (8, 3238588), (16, 1619294), (19, 1363616), (32, 809647), (38, 681808), (43, 602528), (76, 340904), (86, 301264), (152, 170452), (172, 150632), (304, 85226), (344, 75316), (608, 42613), (688, 37658), (817, 31712), (991, 26144), (1376, 18829), (1634, 15856), (1982, 13072), (3268, 7928), (3964, 6536)]