25640576

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 57976800

約数和(自身を除く): 32336224

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 608, 811, 832, 988, 1216, 1622, 1664, 1976, 2432, 3244, 3952, 6488, 7904, 10543, 12976, 15409, 15808, 21086, 25952, 30818, 31616, 42172, 51904, 61636, 84344, 103808, 123272, 168688, 200317, 246544, 337376, 400634, 493088, 674752, 801268, 986176, 1349504, 1602536, 1972352, 3205072, 6410144, 12820288, 25640576]

約数ペア:

[(1, 25640576), (2, 12820288), (4, 6410144), (8, 3205072), (13, 1972352), (16, 1602536), (19, 1349504), (26, 986176), (32, 801268), (38, 674752), (52, 493088), (64, 400634), (76, 337376), (104, 246544), (128, 200317), (152, 168688), (208, 123272), (247, 103808), (304, 84344), (416, 61636), (494, 51904), (608, 42172), (811, 31616), (832, 30818), (988, 25952), (1216, 21086), (1622, 15808), (1664, 15409), (1976, 12976), (2432, 10543), (3244, 7904), (3952, 6488)]