25072528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 52731000

約数和(自身を除く): 27658472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 809, 1192, 1618, 1937, 2384, 3236, 3874, 6472, 7748, 10517, 12944, 15496, 21034, 30992, 42068, 84136, 120541, 168272, 241082, 482164, 964328, 1567033, 1928656, 3134066, 6268132, 12536264, 25072528]

約数ペア:

[(1, 25072528), (2, 12536264), (4, 6268132), (8, 3134066), (13, 1928656), (16, 1567033), (26, 964328), (52, 482164), (104, 241082), (149, 168272), (208, 120541), (298, 84136), (596, 42068), (809, 30992), (1192, 21034), (1618, 15496), (1937, 12944), (2384, 10517), (3236, 7748), (3874, 6472)]