25103104

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 56945840

約数和(自身を除く): 31842736

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 397, 416, 494, 608, 794, 832, 988, 1216, 1588, 1664, 1976, 2432, 3176, 3328, 3952, 4864, 5161, 6352, 7543, 7904, 10322, 12704, 15086, 15808, 20644, 25408, 30172, 31616, 41288, 50816, 60344, 63232, 82576, 98059, 101632, 120688, 165152, 196118, 241376, 330304, 392236, 482752, 660608, 784472, 965504, 1321216, 1568944, 1931008, 3137888, 6275776, 12551552, 25103104]

約数ペア:

[(1, 25103104), (2, 12551552), (4, 6275776), (8, 3137888), (13, 1931008), (16, 1568944), (19, 1321216), (26, 965504), (32, 784472), (38, 660608), (52, 482752), (64, 392236), (76, 330304), (104, 241376), (128, 196118), (152, 165152), (208, 120688), (247, 101632), (256, 98059), (304, 82576), (397, 63232), (416, 60344), (494, 50816), (608, 41288), (794, 31616), (832, 30172), (988, 25408), (1216, 20644), (1588, 15808), (1664, 15086), (1976, 12704), (2432, 10322), (3176, 7904), (3328, 7543), (3952, 6352), (4864, 5161)]