25327744

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 56206080

約数和(自身を除く): 30878336

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 491, 496, 806, 832, 982, 992, 1612, 1664, 1964, 1984, 3224, 3928, 3968, 6383, 6448, 7856, 12766, 12896, 15221, 15712, 25532, 25792, 30442, 31424, 51064, 51584, 60884, 62848, 102128, 121768, 197873, 204256, 243536, 395746, 408512, 487072, 791492, 817024, 974144, 1582984, 1948288, 3165968, 6331936, 12663872, 25327744]

約数ペア:

[(1, 25327744), (2, 12663872), (4, 6331936), (8, 3165968), (13, 1948288), (16, 1582984), (26, 974144), (31, 817024), (32, 791492), (52, 487072), (62, 408512), (64, 395746), (104, 243536), (124, 204256), (128, 197873), (208, 121768), (248, 102128), (403, 62848), (416, 60884), (491, 51584), (496, 51064), (806, 31424), (832, 30442), (982, 25792), (992, 25532), (1612, 15712), (1664, 15221), (1964, 12896), (1984, 12766), (3224, 7856), (3928, 6448), (3968, 6383)]