25515152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{509}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 53564280

約数和(自身を除く): 28049128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 241, 482, 509, 964, 1018, 1928, 2036, 3133, 3856, 4072, 6266, 6617, 8144, 12532, 13234, 25064, 26468, 50128, 52936, 105872, 122669, 245338, 490676, 981352, 1594697, 1962704, 3189394, 6378788, 12757576, 25515152]

約数ペア:

[(1, 25515152), (2, 12757576), (4, 6378788), (8, 3189394), (13, 1962704), (16, 1594697), (26, 981352), (52, 490676), (104, 245338), (208, 122669), (241, 105872), (482, 52936), (509, 50128), (964, 26468), (1018, 25064), (1928, 13234), (2036, 12532), (3133, 8144), (3856, 6617), (4072, 6266)]