25401584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1259}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 53590320

約数和(自身を除く): 28188736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1259, 1261, 1552, 2518, 2522, 5036, 5044, 10072, 10088, 16367, 20144, 20176, 32734, 65468, 122123, 130936, 244246, 261872, 488492, 976984, 1587599, 1953968, 3175198, 6350396, 12700792, 25401584]

約数ペア:

[(1, 25401584), (2, 12700792), (4, 6350396), (8, 3175198), (13, 1953968), (16, 1587599), (26, 976984), (52, 488492), (97, 261872), (104, 244246), (194, 130936), (208, 122123), (388, 65468), (776, 32734), (1259, 20176), (1261, 20144), (1552, 16367), (2518, 10088), (2522, 10072), (5036, 5044)]