25861888

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 58662800

約数和(自身を除く): 32800912

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 409, 416, 494, 608, 818, 832, 988, 1216, 1636, 1664, 1976, 2432, 3272, 3328, 3952, 4864, 5317, 6544, 7771, 7904, 10634, 13088, 15542, 15808, 21268, 26176, 31084, 31616, 42536, 52352, 62168, 63232, 85072, 101023, 104704, 124336, 170144, 202046, 248672, 340288, 404092, 497344, 680576, 808184, 994688, 1361152, 1616368, 1989376, 3232736, 6465472, 12930944, 25861888]

約数ペア:

[(1, 25861888), (2, 12930944), (4, 6465472), (8, 3232736), (13, 1989376), (16, 1616368), (19, 1361152), (26, 994688), (32, 808184), (38, 680576), (52, 497344), (64, 404092), (76, 340288), (104, 248672), (128, 202046), (152, 170144), (208, 124336), (247, 104704), (256, 101023), (304, 85072), (409, 63232), (416, 62168), (494, 52352), (608, 42536), (818, 31616), (832, 31084), (988, 26176), (1216, 21268), (1636, 15808), (1664, 15542), (1976, 13088), (2432, 10634), (3272, 7904), (3328, 7771), (3952, 6544), (4864, 5317)]