1640252416

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{653}}^1$

素因数の和:907

約数の個数: 88

約数和(自身を含む): 3598527744

約数和(自身を除く): 1958275328

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 223, 256, 352, 446, 512, 653, 704, 892, 1024, 1306, 1408, 1784, 2453, 2612, 2816, 3568, 4906, 5224, 5632, 7136, 7183, 9812, 10448, 11264, 14272, 14366, 19624, 20896, 28544, 28732, 39248, 41792, 57088, 57464, 78496, 83584, 114176, 114928, 145619, 156992, 167168, 228352, 229856, 291238, 313984, 334336, 459712, 582476, 627968, 668672, 919424, 1164952, 1255936, 1601809, 1838848, 2329904, 2511872, 3203618, 3677696, 4659808, 6407236, 7355392, 9319616, 12814472, 18639232, 25628944, 37278464, 51257888, 74556928, 102515776, 149113856, 205031552, 410063104, 820126208, 1640252416]

約数ペア:

[(1, 1640252416), (2, 820126208), (4, 410063104), (8, 205031552), (11, 149113856), (16, 102515776), (22, 74556928), (32, 51257888), (44, 37278464), (64, 25628944), (88, 18639232), (128, 12814472), (176, 9319616), (223, 7355392), (256, 6407236), (352, 4659808), (446, 3677696), (512, 3203618), (653, 2511872), (704, 2329904), (892, 1838848), (1024, 1601809), (1306, 1255936), (1408, 1164952), (1784, 919424), (2453, 668672), (2612, 627968), (2816, 582476), (3568, 459712), (4906, 334336), (5224, 313984), (5632, 291238), (7136, 229856), (7183, 228352), (9812, 167168), (10448, 156992), (11264, 145619), (14272, 114928), (14366, 114176), (19624, 83584), (20896, 78496), (28544, 57464), (28732, 57088), (39248, 41792)]